Malicious PDF — malware analysis report

Static analysis result for SHA-256 bff5efa55ac750e9…

MALICIOUS

PDF

10.7 KB Created: 2010-04-14 17:28:07 Authoring application: Ilotni xofisigociw
MD5: fc66e32fe739a3d3c9eef5140288ff3d SHA-1: 3f9d9aa38c20e2f1b37a3fab1086a8651f614cf1 SHA-256: bff5efa55ac750e9f495edb60a53a9b7a3c0f0c11879ff2cddb017dd55afc2ec
106 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV with the signature Pdf.Exploit.Agent-23934. Static analysis detected embedded JavaScript actions and JS streams, indicating an attempt to exploit vulnerabilities within the PDF reader. The ML classifier also strongly indicated maliciousness. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-23934 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-23934
  • 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.