File name:

02691169_2

Full analysis: https://app.any.run/tasks/6a21f9a3-27f6-4328-9e50-750ed524adff
Verdict: Malicious activity
Analysis date: October 26, 2021, 03:36:16
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

143CF80AA206C07BCBA38E491156898C

SHA1:

087E453BE01A6ECEA7C429B425FAC31C7BA0004D

SHA256:

84ED767A25391C310DB5442E2A4E9E35C87C6663DD83FEA7272A24D18B480F23

SSDEEP:

196608:t4TeuXQj6+LG2xWhIefhkQW2WwJ0d7X6JQ8fKE9hjDtYL3BbIGJmF+djPaO93Udw:uBOkf5idb8i8lDtGHm+xP25E

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

  • MALICIOUS

    • Registers / Runs the DLL via REGSVR32.EXE

      • 02691169_2.exe (PID: 372)

    • Application was dropped or rewritten from another process

      • pdfServer.exe (PID: 4032)
      • pdfServer.exe (PID: 3108)
      • MasterPDF.exe (PID: 3148)
      • PDFRunningHelper.exe (PID: 3380)
      • pdfspeedup.exe (PID: 1852)
      • PDFRunningHelper.exe (PID: 1840)

    • Loads the Task Scheduler COM API

      • 02691169_2.exe (PID: 372)
      • mmc.exe (PID: 3928)

    • Loads dropped or rewritten executable

      • regsvr32.exe (PID: 3728)

  • SUSPICIOUS

    • Checks supported languages

      • 02691169_2.exe (PID: 2368)
      • 02691169_2.exe (PID: 372)
      • pdfServer.exe (PID: 4032)
      • pdfServer.exe (PID: 3108)
      • pdfspeedup.exe (PID: 1852)
      • PDFRunningHelper.exe (PID: 3380)
      • PDFRunningHelper.exe (PID: 1840)
      • MasterPDF.exe (PID: 3148)

    • Creates files in the user directory

      • 02691169_2.exe (PID: 2368)
      • 02691169_2.exe (PID: 372)
      • MasterPDF.exe (PID: 3148)

    • Reads the computer name

      • 02691169_2.exe (PID: 2368)
      • 02691169_2.exe (PID: 372)
      • pdfServer.exe (PID: 4032)
      • pdfServer.exe (PID: 3108)
      • MasterPDF.exe (PID: 3148)
      • pdfspeedup.exe (PID: 1852)
      • PDFRunningHelper.exe (PID: 1840)

    • Drops a file with too old compile date

      • 02691169_2.exe (PID: 372)

    • Application launched itself

      • 02691169_2.exe (PID: 2368)

    • Drops a file that was compiled in debug mode

      • 02691169_2.exe (PID: 372)
      • MasterPDF.exe (PID: 3148)

    • Executable content was dropped or overwritten

      • 02691169_2.exe (PID: 372)
      • MasterPDF.exe (PID: 3148)

    • Creates files in the program directory

      • 02691169_2.exe (PID: 372)

    • Drops a file with a compile date too recent

      • 02691169_2.exe (PID: 372)

    • Creates a directory in Program Files

      • 02691169_2.exe (PID: 372)

    • Creates a software uninstall entry

      • 02691169_2.exe (PID: 372)

    • Executed as Windows Service

      • pdfServer.exe (PID: 3108)

    • Creates/Modifies COM task schedule object

      • regsvr32.exe (PID: 3728)

    • Searches for installed software

      • 02691169_2.exe (PID: 372)
      • MasterPDF.exe (PID: 3148)
      • pdfspeedup.exe (PID: 1852)
      • PDFRunningHelper.exe (PID: 1840)

    • Reads Environment values

      • 02691169_2.exe (PID: 372)
      • MasterPDF.exe (PID: 3148)

    • Changes default file association

      • 02691169_2.exe (PID: 372)

    • Creates or modifies windows services

      • 02691169_2.exe (PID: 372)

  • INFO

    • Checks supported languages

      • regsvr32.exe (PID: 3728)
      • mmc.exe (PID: 3928)

    • Manual execution by user

      • mmc.exe (PID: 3928)
      • mmc.exe (PID: 2892)

    • Reads the computer name

      • mmc.exe (PID: 3928)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2021:10:08 08:28:14+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 1702912
InitializedDataSize: 13524992
UninitializedDataSize: -
EntryPoint: 0x10f3af
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 2.9.3.2
ProductVersionNumber: 2.9.3.2
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Chinese (Simplified)
CharacterSet: Unicode
CompanyName: 天津迅读科技有限公司
FileDescription: 迅读PDF大师安装程序
FileVersion: 2.9.3.2
InternalName: Setup.exe
LegalCopyright: Copyright (C) 2017
OriginalFileName: Setup.exe
ProductName: 迅读PDF大师
ProductVersion: 2.9.3.2

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 08-Oct-2021 06:28:14
Detected languages:
  • Chinese - PRC
  • English - United States
Debug artifacts:
  • E:\code\rel\Setup.pdb
CompanyName: 天津迅读科技有限公司
FileDescription: 迅读PDF大师安装程序
FileVersion: 2.9.3.2
InternalName: Setup.exe
LegalCopyright: Copyright (C) 2017
OriginalFilename: Setup.exe
ProductName: 迅读PDF大师
ProductVersion: 2.9.3.2

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000120

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 7
Time date stamp: 08-Oct-2021 06:28:14
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0019FB47
0x0019FC00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.45634
.rdata
0x001A1000
0x00048DAA
0x00048E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.03976
.data
0x001EA000
0x0000A980
0x00005400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.77627
.gfids
0x001F5000
0x00001654
0x00001800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.86176
.tls
0x001F7000
0x00000009
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.0203931
.rsrc
0x001F8000
0x00C8429C
0x00C84400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.96394
.reloc
0x00E7D000
0x00011F48
0x00012000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.66497

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.33374
1070
Latin 1 / Western European
English - United States
RT_MANIFEST
2
4.86124
2440
Latin 1 / Western European
Chinese - PRC
RT_ICON
3
4.31682
4264
Latin 1 / Western European
Chinese - PRC
RT_ICON
4
4.24947
9640
Latin 1 / Western European
Chinese - PRC
RT_ICON
5
3.79563
16936
Latin 1 / Western European
Chinese - PRC
RT_ICON
6
3.72103
38056
Latin 1 / Western European
Chinese - PRC
RT_ICON
7
1.52973
52
Latin 1 / Western European
Chinese - PRC
RT_STRING
8
3.43027
152104
Latin 1 / Western European
Chinese - PRC
RT_ICON
9
3.24254
270376
Latin 1 / Western European
Chinese - PRC
RT_ICON
10
2.93257
744
Latin 1 / Western European
Chinese - PRC
RT_ICON

Imports

ADVAPI32.dll
COMCTL32.dll
CRYPT32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MSIMG32.dll
NETAPI32.dll
OLEAUT32.dll
PSAPI.DLL
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
50
Monitored processes
11
Malicious processes
5
Suspicious processes
3

Behavior graph

Click at the process to see the details
start drop and start drop and start 02691169_2.exe no specs 02691169_2.exe regsvr32.exe no specs pdfserver.exe no specs pdfserver.exe masterpdf.exe mmc.exe no specs mmc.exe pdfrunninghelper.exe no specs pdfspeedup.exe pdfrunninghelper.exe

Process information

PID
CMD
Path
Indicators
Parent process
372"C:\Users\admin\AppData\Local\Temp\02691169_2.exe" /ElevPri C:\Users\admin\AppData\Local\Temp\02691169_2.exe
02691169_2.exe
User:
admin
Company:
??????????
Integrity Level:
HIGH
Description:
??PDF??????
Exit code:
0
Version:
2.9.3.2
Modules
Images
c:\users\admin\appdata\local\temp\02691169_2.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1840"C:\Program Files\MasterPDF\PDFRunningHelper.exe" /serverReport=trueC:\Program Files\MasterPDF\PDFRunningHelper.exe
pdfServer.exe
User:
admin
Company:
??????????
Integrity Level:
HIGH
Description:
??PDF??????
Exit code:
0
Version:
2.8.0.1
Modules
Images
c:\program files\masterpdf\pdfrunninghelper.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
1852"C:\Program Files\MasterPDF\pdfspeedup.exe" /maincall=trueC:\Program Files\MasterPDF\pdfspeedup.exe
MasterPDF.exe
User:
admin
Company:
??????????
Integrity Level:
HIGH
Description:
??PDF??
Exit code:
0
Version:
2.8.1.7
Modules
Images
c:\program files\masterpdf\pdfspeedup.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
2368"C:\Users\admin\AppData\Local\Temp\02691169_2.exe" C:\Users\admin\AppData\Local\Temp\02691169_2.exe—Explorer.EXE
User:
admin
Company:
??????????
Integrity Level:
MEDIUM
Description:
??PDF??????
Exit code:
1
Version:
2.9.3.2
Modules
Images
c:\users\admin\appdata\local\temp\02691169_2.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\version.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2892"C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /sC:\Windows\system32\mmc.exe—Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Management Console
Exit code:
3221226540
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\mmc.exe
c:\windows\system32\ntdll.dll
3108"C:\Program Files\MasterPDF\pdfServer.exe"C:\Program Files\MasterPDF\pdfServer.exe
services.exe
User:
SYSTEM
Company:
??????????
Integrity Level:
SYSTEM
Description:
??PDF??????
Exit code:
0
Version:
2.8.0.1
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\program files\masterpdf\pdfserver.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
3148"C:\Program Files\MasterPDF\MasterPDF.exe" /from installC:\Program Files\MasterPDF\MasterPDF.exe
02691169_2.exe
User:
admin
Company:
??????????
Integrity Level:
HIGH
Description:
??PDF?????
Exit code:
0
Version:
2.9.3.2
Modules
Images
c:\windows\system32\ntdll.dll
c:\program files\masterpdf\masterpdf.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winspool.drv
3380"C:\Program Files\MasterPDF\PDFRunningHelper.exe" /check_enable_pdf_protectC:\Program Files\MasterPDF\PDFRunningHelper.exe—pdfServer.exe
User:
admin
Company:
??????????
Integrity Level:
HIGH
Description:
??PDF??????
Exit code:
0
Version:
2.8.0.1
Modules
Images
c:\program files\masterpdf\pdfrunninghelper.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\user32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3728regsvr32 /s "C:\Program Files\MasterPDF\XDShellExtHelper.dll"C:\Windows\system32\regsvr32.exe—02691169_2.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft(C) Register Server
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\regsvr32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3928"C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /sC:\Windows\system32\mmc.exe
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft Management Console
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\mmc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\mfc42u.dll
Total events
2 796
Read events
2 702
Write events
92
Delete events
2

Modification events

(PID) Process:(2368) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2368) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2368) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2368) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(372) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\MasterPDF
Operation:writeName:DGI
Value:
ewogICAiY2l0eSIgOiAiIiwKICAgImNvdW50cnkiIDogIiIsCiAgICJkZXNjIiA6 ICIiLAogICAiZGlzdHJpY3QiIDogIiIsCiAgICJpc3AiIDogIiIsCiAgICJwcm92 aW5jZSIgOiAiIiwKICAgInR5cGUiIDogIiIKfQoA
(PID) Process:(372) 02691169_2.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\MasterPDF.exe
Operation:writeName:Mid
Value:
4e295794805b073873b5766ec7d4b679
(PID) Process:(372) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(372) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(372) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(372) 02691169_2.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
Executable files
59
Suspicious files
4
Text files
29
Unknown types
3

Dropped files

PID
Process
Filename
Type
37202691169_2.exeC:\Users\admin\AppData\Local\Temp\39DCC7CD_F3DF_4436_B3CC_A62F65BD99A7.tmp —
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\setup.configxml
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\Skin\masterpdf.skncompressed
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\game\ModeIdentify.dllexecutable
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\NetBridge.dllexecutable
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\Plugin\RunExtention.tpiexecutable
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\PdfWatermark\watermark_config.jsontext
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\Plugin\Basic.tpiexecutable
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\PDFRunningHelper.exeexecutable
MD5:—
SHA256:—
37202691169_2.exeC:\Users\admin\AppData\Roaming\D10B9980-8A16-4595-89C0-FD6EF580FAAA\MasterPDF.exeexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
15
TCP/UDP connections
15
DNS requests
4
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
372
02691169_2.exe
GET
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/action?os=20481&device_id=4e295794805b073873b5766ec7d4b679&version=&qd=&day=&screen_type=0&t=1124015
CN
—
—
malicious
3148
MasterPDF.exe
GET
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/cloud/docRecommendV2?os=20481&device_id=4e295794805b073873b5766ec7d4b679&version=2.9.3.2&qd=Home&day=2021-10-26%2004:37:16&t=1131140&product=xundu
CN
—
—
malicious
3148
MasterPDF.exe
GET
—
218.12.76.151:80
http://archive.pdfxd.com/xundu/cef.7z
CN
—
—
malicious
3148
MasterPDF.exe
GET
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/action?os=20481&device_id=4e295794805b073873b5766ec7d4b679&version=2.9.3.2&qd=Home&day=2021-10-26%2004:37:16&screen_type=0&t=1131156&product=xundu
CN
—
—
malicious
3148
MasterPDF.exe
GET
—
222.186.16.219:80
http://cef.pdfxd.com/xundu/cef.7z
CN
—
—
whitelisted
1852
pdfspeedup.exe
GET
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/action?os=20481&device_id=4e295794805b073873b5766ec7d4b679&version=2.9.3.2&qd=Home&day=2021-10-26%2004:37:16&t=1191218&product=xundu
CN
—
—
malicious
3148
MasterPDF.exe
GET
—
222.186.16.216:80
http://cef.pdfxd.com/xundu/cef.7z
CN
—
—
suspicious
3148
MasterPDF.exe
POST
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/report
CN
—
—
malicious
3148
MasterPDF.exe
POST
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/report
CN
—
—
malicious
3148
MasterPDF.exe
POST
—
123.56.161.176:80
http://api.pdfxd.com/pdf-service/v1/report
CN
—
—
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3148
MasterPDF.exe
218.12.76.151:80
archive.pdfxd.com
CHINA UNICOM China169 Backbone
CN
malicious
3148
MasterPDF.exe
222.186.16.219:80
cef.pdfxd.com
AS Number for CHINANET jiangsu province backbone
CN
unknown
1852
pdfspeedup.exe
123.56.161.176:80
api.pdfxd.com
Hangzhou Alibaba Advertising Co.,Ltd.
CN
malicious
—
—
123.56.161.176:80
api.pdfxd.com
Hangzhou Alibaba Advertising Co.,Ltd.
CN
malicious
—
—
222.186.16.216:80
cef.pdfxd.com
AS Number for CHINANET jiangsu province backbone
CN
suspicious
372
02691169_2.exe
123.56.161.176:80
api.pdfxd.com
Hangzhou Alibaba Advertising Co.,Ltd.
CN
malicious
3148
MasterPDF.exe
123.56.161.176:80
api.pdfxd.com
Hangzhou Alibaba Advertising Co.,Ltd.
CN
malicious

DNS requests

Domain
IP
Reputation
api.pdfxd.com
  • 123.56.161.176
malicious
archive.pdfxd.com
  • 218.12.76.151
  • 218.12.76.150
  • 120.52.95.243
  • 120.52.95.242
malicious
cef.pdfxd.com
  • 222.186.16.219
  • 222.186.16.214
  • 222.186.16.220
  • 222.186.16.215
  • 222.186.16.217
  • 222.186.16.221
  • 222.186.16.218
  • 222.186.16.216
unknown

Threats

No threats detected
Process
Message
pdfServer.exe
start start
02691169_2.exe
startDriver ExtensionProtect :1
mmc.exe
Constructor: Microsoft.TaskScheduler.SnapIn.TaskSchedulerSnapIn
mmc.exe
OnInitialize: Microsoft.TaskScheduler.SnapIn.TaskSchedulerSnapIn
mmc.exe
AddIcons: Microsoft.TaskScheduler.SnapIn.TaskSchedulerSnapIn
mmc.exe
ProcessCommandLineArguments: Microsoft.TaskScheduler.SnapIn.TaskSchedulerSnapIn
pdfServer.exe
---Start CallRunningHelper check_enable_pdf_protect---
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Reports
02691169_2