Win.Trojan.Agent — PDF malware analysis

Static analysis result for SHA-256 540f65144d32ed2e…

MALICIOUS

PDF

12.3 KB
MD5: a035c50be8eb67e632fa9bcd3828f884 SHA-1: ddd31234d0d20e69b236239b230db5d223173192 SHA-256: 540f65144d32ed2e103f8157f808f1ac1b6cab87ed1934086c850588ade366cc
106 Risk Score

Malware Insights

Win.Trojan.Agent · confidence 98%

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

The file is identified as a malicious PDF by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as Win.Trojan.Agent-36281. It contains embedded JavaScript, indicating an attempt to execute malicious code, likely to exploit vulnerabilities or download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
11c2e47791dc491fa5b9dee36c379bdb658f4aa2c7231f40ac28d0f7966013d1		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11499 bytes

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