Malicious PDF — malware analysis report

Static analysis result for SHA-256 90c616e1731c0b90…

MALICIOUS

PDF

9.9 KB
MD5: 1895c45c05c91119c8b7422270ece5d8 SHA-1: 6b6eb121c4b3db0d072b96b22d6c90caa2b6914c SHA-256: 90c616e1731c0b909929d905d30b5b309f9a2ac96d810a59caefb0ad7506a61a
106 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including ClamAV detection for 'Pdf.Dropper.Agent-7282674-0' and a high ML score, indicating malicious intent. Embedded JavaScript was detected, suggesting the PDF is designed to download and execute a second-stage payload. The document body content is unreadable, but the presence of JavaScript and the ClamAV signature strongly indicate a dropper functionality.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7282674-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7282674-0
  • 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_obj0069_000.js
b2f770ee0cd252890fe021cb3fe858af3284f44708828f441a571cc6697620ba		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 21487 bytes

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