Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c140f15bad91732…

MALICIOUS

PDF

3.3 KB
MD5: 5ac52843e8d5b713c5e2d3ec579601cb SHA-1: f4bf8e964dc9962fa84b449a1e7f91483cc324b9 SHA-256: 8c140f15bad91732c51a807327581c48c70f684208c4853f154e9bcc90976d1b
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as Pdf.Exploit.Agent-36121, suggesting it exploits a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
95f4b40dd96eb46dc2a8c0c57bab2851813062c97dcf4e2e04f573f29ece26c9		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 367 bytes

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