Malicious PDF — malware analysis report

Static analysis result for SHA-256 259e1acd7afbcd98…

MALICIOUS

PDF

16.0 KB
MD5: 377b8c3a790ca29a6a9bc03fcd6a20a2 SHA-1: 03b1499568ee406fe3390380b0f19cb846fa94d0 SHA-256: 259e1acd7afbcd98c629d9d26bd5921e746e54f4f2cc68c91d11446e11c5e88c
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36324', and an ML classifier indicating a high probability of maliciousness. The presence of embedded JavaScript further supports its role as a delivery mechanism for exploits.

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
c250a882098e4c11576d1a2dc41ba6c84dc8d40a04541363cf17d49f893c51ad		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15424 bytes

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