Malicious PDF — malware analysis report

Static analysis result for SHA-256 aabddc5f07411db1…

MALICIOUS

PDF

12.1 KB
MD5: 1a1b03da96a5514cb7173a7fe6c11406 SHA-1: 9fcd0d12df05ea14c0860a0a6b1898a6b22ad368 SHA-256: aabddc5f07411db1401b07a83f3603c60265d6bdf89ea5085b88f326bfe95e0a
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious content. The presence of embedded JavaScript, identified by PDF_JAVASCRIPT and PDF_JS heuristics, suggests an attempt to execute malicious code. The ClamAV detection name 'Pdf.Exploit.Agent-36723' is included as a primary IOC.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
95c9c991e582c832c3fb29739e3366f134629cd9daa6764e960f834ea90b2067		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11282 bytes

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