Malicious PDF — malware analysis report

Static analysis result for SHA-256 5093b2a85d02bfb2…

MALICIOUS

PDF

12.3 KB
MD5: bc99b9deb73cff021a09d85cfbaacb02 SHA-1: 1e165be67fc580d9688513cdeae53ebd7ea4a8c5 SHA-256: 5093b2a85d02bfb2c3dc9e79a42c0514f66d6f2b86f3704cc7b508a1d384601f
106 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection as Win.Trojan.Agent-36280. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be leveraging JavaScript to exploit PDF vulnerabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36280 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36280
  • 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
18e5e7d654317aff5692a9fd8bf7d641302194358bee56e1aa98a75c75532fd8		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11442 bytes

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