Malicious PDF — malware analysis report

Static analysis result for SHA-256 54da427b8c3b7b89…

MALICIOUS

PDF

12.6 KB
MD5: 9ad1907d9653e26d494ff2878b34c211 SHA-1: ab5f2ac0906a71b2aae8385a3fdb4393fca33254 SHA-256: 54da427b8c3b7b898f8b548829ccd6d511380522061a4184ba49590f364cfb8e
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 critical ClamAV detection for 'Pdf.Exploit.Agent-36723' and a high ML score indicating maliciousness. Embedded JavaScript streams suggest an attempt to execute malicious code, likely to exploit PDF vulnerabilities and download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
df388126dd90e0396b0dc64fdc352542c4dde903904cd37bfb6ab7ec2fc69b42		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11768 bytes

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