Malicious PDF — malware analysis report

Static analysis result for SHA-256 4089c3ff750efadb…

MALICIOUS

PDF

12.4 KB
MD5: 9a2c66796f59b2a83f699ffa5577f9da SHA-1: 1e7a78c969735a88974a81c176ee327ea6454403 SHA-256: 4089c3ff750efadbea44cc09e6174239721569134e6c7c2f2a5a41278a92e1cf
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Win.Trojan.Agent-36281' strongly suggests malicious intent. The embedded JavaScript is likely responsible for executing the malicious payload, potentially exploiting a PDF vulnerability.

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
208fa7b5c5ea85d2bd92cc05328eb8531ca6cac47114473a29cc295e3faf8f7b		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11611 bytes

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