Malicious PDF — malware analysis report

Static analysis result for SHA-256 492ca9d11c706335…

MALICIOUS

PDF

12.2 KB
MD5: a3146df418187b0ed66102e82da290f4 SHA-1: 5028783abea38e931ee753de8c07c3215ebc4f7b SHA-256: 492ca9d11c7063350b1e7752bcfbc20377e6dc487006558af29b050dc420fb08
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as Win.Trojan.Agent-36281. Embedded JavaScript streams indicate an attempt to execute malicious code, likely to download and execute a secondary payload. The presence of JavaScript actions and streams strongly suggests an exploit attempt within the PDF.

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
0e705e998217b1a57f599453324524481c1d7fbe1b4008272f1ac1efec8df67e		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11361 bytes

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