Win.Trojan.Agent-36281 — PDF malware analysis

Static analysis result for SHA-256 533672e97f2ccd0f…

MALICIOUS

PDF

12.5 KB
MD5: a724fa7292dce536f809a24d03962868 SHA-1: a07ab8dfcbdc882e4fa6ccab465149729f93a573 SHA-256: 533672e97f2ccd0f2684ebd021fb4c889a4f86143503c3882bdcced27c402411
106 Risk Score

Malware Insights

Win.Trojan.Agent-36281 · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File: Malicious JavaScript

The PDF was flagged by a machine learning classifier with high confidence and also detected by ClamAV as Win.Trojan.Agent-36281. Embedded JavaScript streams were identified, indicating a likely attempt to execute malicious code. The presence of JavaScript actions and streams strongly suggests the PDF is designed to exploit vulnerabilities or 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
78fd16cd58ce3132e5f8bb6bf66825d3681b2b9b86754ca434fe516e7636f989		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11738 bytes

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