Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b60fb7f042b6985…

MALICIOUS

PDF

12.0 KB Authoring application: sli
MD5: b3e71dc37cac3f4a840bac290916e69f SHA-1: 9b29d89a770efd99b4a480a9079803b619853547 SHA-256: 2b60fb7f042b698550110991d894a12da0b25f49b02cccc18ab74603aa118eaa
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV and a machine learning classifier. Heuristics indicate the presence of JavaScript actions and embedded JS streams within the PDF structure, suggesting an attempt to execute malicious code. The ML classifier's high confidence score further supports its malicious nature. The PDF is likely a dropper for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Dropped-91 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-91
  • 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.