Malicious PDF — malware analysis report

Static analysis result for SHA-256 aaf43d75a825cdcd…

MALICIOUS

PDF

12.5 KB
MD5: 9b07511e477f9c35e6c2239398152411 SHA-1: 95441bd252595deacdbbc3a78c3357144b9db3c0 SHA-256: aaf43d75a825cdcdbdee4b460e264373146216b32a5ccd9361d53a9d160ae9ad
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a high-severity ML classifier and critical ClamAV detection identifying it as Win.Trojan.Agent-36281. Embedded JavaScript streams and actions indicate the PDF is designed to execute malicious code, likely to download and run a secondary payload.

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
8c0dacf921e6c970b09f48f27dca66abfa59e1228cf9e382d57e9af15db5977d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11654 bytes

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