Malicious PDF — malware analysis report

Static analysis result for SHA-256 32998f9985b388fe…

MALICIOUS

PDF

12.6 KB
MD5: b3e78cafbd7c88ff681db0af3f6cd7af SHA-1: a7447f919edbd848088797d1847cd34585c80b17 SHA-256: 32998f9985b388fe7690b2f32f918954e4ae4047e0aad5e27b309a7a283a57c7
106 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier with high confidence and also detected by ClamAV as Win.Trojan.Agent-36281. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be leveraging JavaScript actions within the PDF to deliver a 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
233b67ec633b3cf298b2f43d6726b716f2b169a9577e3325b7302d31b6e4caa5		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11773 bytes

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