Malicious PDF — malware analysis report

Static analysis result for SHA-256 36e05f1267db45bd…

MALICIOUS

PDF

12.2 KB
MD5: f586895827f607940041e355633197a2 SHA-1: 544048c8f1c9874faa1e2a3aba74a71072ab9e1d SHA-256: 36e05f1267db45bdad82c795e48dbcf2750c2af6f0d2d8294f43eefc7819ff04
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36723'. It contains embedded JavaScript, indicating an attempt to exploit vulnerabilities within the PDF reader to execute malicious code. The ML classifier also strongly indicated maliciousness.

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
ed125527c9f0cc56bfcaf0c75156b0c9e80bb8f181fe5b511f01c72e58870e77		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11435 bytes

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