Malicious PDF — malware analysis report

Static analysis result for SHA-256 91515a090268a559…

MALICIOUS

PDF

12.2 KB
MD5: 071b1489ab89672f729a69a3a607b566 SHA-1: 1300a897822eed8a01e6a0d83f7af2759f75caba SHA-256: 91515a090268a5592629ff1eb00a1585feb7cf7ca837056cd7ec792ef334ea08
106 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36723 and a machine learning classifier indicated a high probability of maliciousness. Embedded JavaScript was detected, suggesting an attempt to exploit PDF vulnerabilities and execute malicious code, likely to download and run 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
dffc5b5d76242dc5c2ad05567a2b4c4aff64c668c4b1133aeb82e582c3367bba		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11343 bytes

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