Malicious PDF — malware analysis report

Static analysis result for SHA-256 9641c433cd138bde…

MALICIOUS

PDF

12.5 KB
MD5: 727da7de0e9ee6416b8f057712d4a09a SHA-1: bc61ffeaa2f6a679ba2fea3744b0ff3dc7bb9755 SHA-256: 9641c433cd138bdeddf7e3abc614d13c898f9eb8deffdd24bf1c7cb22bc7b081
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file was detected as malicious by ClamAV, specifically identified as Win.Trojan.Agent-36281. Static analysis revealed embedded JavaScript, indicating an attempt to execute arbitrary code when the document is opened. This JavaScript is likely responsible for downloading and executing a secondary payload.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0076_000.js
d37dc0df5ce2ab35a11f25e67b4c97184f8501d2871bec72604aa0cad3bf1991		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11714 bytes

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