Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a15a0e9a597165d…

MALICIOUS

PDF

12.4 KB
MD5: b6501cbfb61e7214ccf9711cb0404d41 SHA-1: 93f35c0e392bd18489f2c31b7cd6bf22383cfa5c SHA-256: 8a15a0e9a597165d8501cb561a07cf62b8479e9b823a20c2be91799d3822ae5b
106 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier with high confidence and also detected by ClamAV as Win.Trojan.Agent-36281. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be the exploitation of PDF vulnerabilities via this embedded script.

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
f4d2a4e31abbca42fb262051c50990654f885047d0f8068bf97ba03bd5153ad9		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11617 bytes

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