Malicious PDF — malware analysis report

Static analysis result for SHA-256 94c5a2779d56d961…

MALICIOUS

PDF

16.2 KB
MD5: fb5e3f5c1cb463e7af823d2f327f1377 SHA-1: 137c9842df5929523ce23768846fdcd7b152256c SHA-256: 94c5a2779d56d961c086e2c2bace87a77b8797067b922a7c0c1bba763dbd74bf
106 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection for Pdf.Exploit.Agent-36324. The embedded JavaScript stream is likely responsible for executing the exploit, which is a common technique for delivering malicious payloads via PDF documents.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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
35612511ff5d8b4db4383aec0e891d875cf601c95a8e9ef6a29e5f4263beaf47		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15659 bytes

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