Win.Trojan.Agent-36281 — PDF malware analysis

Static analysis result for SHA-256 8b8380883552f75e…

MALICIOUS

PDF

12.4 KB
MD5: 9f37530e3ec655bcd6ccd3fe690f519e SHA-1: 537cd7d1b4d40292b3820160daa57a5f2f00b288 SHA-256: 8b8380883552f75e5cdb4e90a3acf41b6ae7f757bea10f5674d659891096c3a1
106 Risk Score

Malware Insights

Win.Trojan.Agent-36281 · confidence 98%

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

The PDF file was flagged as malicious by multiple heuristics, including a high-confidence ML classifier and ClamAV detection identifying it as Win.Trojan.Agent-36281. The presence of embedded JavaScript actions and streams indicates an attempt to execute malicious code, likely to download and execute a secondary payload.

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
d882709bd051f4b26456689338437f1b2938cc408041adedb87ada3f13879089		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11638 bytes

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