Win.Trojan.Agent-36280 — PDF malware analysis

Static analysis result for SHA-256 aa4bfee25a607732…

MALICIOUS

PDF

12.2 KB
MD5: a7774c52afff799d0554f9bef04ba28b SHA-1: 595957ae368cd87b4729c6edde5cd38392481f42 SHA-256: aa4bfee25a607732cedb683fdae3052a67741aef8615acccba4c58e1fc9c01f5
106 Risk Score

Malware Insights

Win.Trojan.Agent-36280 · confidence 98%

MITRE ATT&CK
T1059 Command and Scripting Interpreter

The PDF file was flagged by multiple heuristics, including a high-severity ML classifier and critical ClamAV detection identifying it as Win.Trojan.Agent-36280. Embedded JavaScript, detected via PDF_JAVASCRIPT and PDF_JS rules, is likely responsible for executing the malicious payload. The ML classifier's near-perfect score indicates a high degree of confidence in its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36280 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36280
  • 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
c3b33694ad9e93ec41d8e0bfe8284b06b1ad97198f3f4dbfac48960000b269e2		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11342 bytes

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