| File name: | pdfskills.exe |
| Full analysis: | https://app.any.run/tasks/b62465b9-83e8-42cf-9e4d-65fca7bdcf1e |
| Verdict: | Malicious activity |
| Analysis date: | May 25, 2025, 17:22:30 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows, 2 sections |
| MD5: | 6993F5E370CA16EF520108FC8E24ECF5 |
| SHA1: | 6C90CAE62C6E4B5C7FBED2AC13252410AF0132BC |
| SHA256: | 1994B6C8C30B4346F6B00DA12FC161EB73210AF08B914A1C4768B109B234F2DF |
| SSDEEP: | 98304:Rw4DuwYxT2ZyydrgUleLSzW8vdj2iXrVfY1c75uzdFhb4PyH1ZH30kMhvXHDnBXj:3KBRdnefCjO |
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2074:07:23 17:41:10+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 48 |
| CodeSize: | 4860928 |
| InitializedDataSize: | 17408 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x0000 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 247.8.44.101 |
| ProductVersionNumber: | 247.8.44.101 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | PDFSkills |
| FileVersion: | 247.8.44.101 |
| InternalName: | PDFSkills.exe |
| LegalCopyright: | Copyright © 2015-2023 BLACK INDIGO All rights reserved |
| LegalTrademarks: | - |
| OriginalFileName: | PDFSkills.exe |
| ProductName: | PDFSkills |
| ProductVersion: | 247.8.44.101 |
| AssemblyVersion: | 247.8.44.101 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1328 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3220 --field-trial-handle=1952,i,771345225804655063,7768039918469037692,262144 --variations-seed-version /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Version: 122.0.6261.70 Modules
| |||||||||||||||
| 2096 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=122.0.6261.70 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ffc8994dc40,0x7ffc8994dc4c,0x7ffc8994dc58 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: MEDIUM Description: Google Chrome Version: 122.0.6261.70 Modules
| |||||||||||||||
| 2384 | "C:\Users\admin\AppData\Local\PDFSkills\PDFSkillsApp.exe" | C:\Users\admin\AppData\Local\PDFSkills\PDFSkillsApp.exe | — | pdfskills.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: NativeTemplate Version: 4.0.0.0 Modules
| |||||||||||||||
| 3240 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3676 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4120 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3196 --field-trial-handle=1952,i,771345225804655063,7768039918469037692,262144 --variations-seed-version /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Version: 122.0.6261.70 Modules
| |||||||||||||||
| 5244 | "C:\Users\admin\AppData\Local\Temp\pdfskills.exe" | C:\Users\admin\AppData\Local\Temp\pdfskills.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: PDFSkills Exit code: 0 Version: 247.8.44.101 Modules
| |||||||||||||||
| 5416 | "powershell.exe" -ep RemoteSigned -File "C:\Users\admin\AppData\Local\PDFSkills\update_task_ad.ps1" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | pdfskills.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5428 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=6140 --field-trial-handle=1952,i,771345225804655063,7768039918469037692,262144 --variations-seed-version /prefetch:8 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 122.0.6261.70 Modules
| |||||||||||||||
| 5608 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --disable-quic --no-appcompat-clear --mojo-platform-channel-handle=1956 --field-trial-handle=1952,i,771345225804655063,7768039918469037692,262144 --variations-seed-version /prefetch:8 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google LLC Integrity Level: LOW Description: Google Chrome Version: 122.0.6261.70 Modules
| |||||||||||||||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (5244) pdfskills.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\pdfskills_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\Libraries.dll | executable | |
MD5:08B1B14B4573E95BDB5E6DDCA74D2513 | SHA256:EE803D254AF9E2FE4781E3335164D24BEC31512A229E607A3A93254D47177F52 | |||
| 5416 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:74255EA3A7A4856FD9489CA702392247 | SHA256:204254C618EC7C66A42F7789FA74E087980B5E0641C09BF4D88C26BFBD229A99 | |||
| 5416 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_y5hdxzdp.bgj.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5416 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_5nibojtc.ebb.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Roaming\SMCR\userId.txt | text | |
MD5:54EECF1238CF23AAB5D6E6005E0D0914 | SHA256:9DBBFCE3C35F70D7238A7A9B7A1C43E87A2C004BB55F0AA4985FC7E173C53C9E | |||
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\Update_files.zip | compressed | |
MD5:6F3E6D28273C0E8BF8E0A80DE5B0A5BE | SHA256:1E537133A195CF64EE9979800DBFB2D74E0BBAA9367FEABEB4AC7C7F9610B938 | |||
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\msvcp140_1.dll | executable | |
MD5:7B0A25EEE764D8747F02CB3ED980F07A | SHA256:1274292F4CC655F295272B37E08A9683B8BB8C419B61EA2E1F43EB4D22F02F90 | |||
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\concrt140.dll | executable | |
MD5:9485D003573E0EAF7952AB23CC82EF7B | SHA256:5E0E8EAC57B86E2DE7CA7D6E8D34DDDEA602CE3660208FB53947A027635D59A1 | |||
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\skillsUserId.txt | text | |
MD5:54EECF1238CF23AAB5D6E6005E0D0914 | SHA256:9DBBFCE3C35F70D7238A7A9B7A1C43E87A2C004BB55F0AA4985FC7E173C53C9E | |||
| 5244 | pdfskills.exe | C:\Users\admin\AppData\Local\PDFSkills\vcamp140.dll | executable | |
MD5:8441A618D2CEF67BDEDCA224FD61AFA2 | SHA256:6CD300E597C477260809C5CA036993D923CD8BE304AE323C9C4D7776115FE62D | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.16.168.124:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2320 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
2320 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.16.168.124:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
5496 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5244 | pdfskills.exe | 198.71.59.132:443 | val.skillcli.com | IONOS SE | US | unknown |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.159.75:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
val.skillcli.com |
| unknown |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
cbn.skillcli.com |
| unknown |
clientservices.googleapis.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |
6228 | chrome.exe | Not Suspicious Traffic | INFO [ANY.RUN] Google Tag Manager analytics (googletagmanager .com) |