Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f57db947249ff37…

MALICIOUS

PDF

3.2 KB
MD5: 5f992e64f8b49b22073529b4510f1e5e SHA-1: 06c07d92da23e1df7bd7fb8c1a453acb05456bbb SHA-256: 3f57db947249ff374f808cce70486b5dfbddc42e010cd31f0599148a34523953
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also detected this file as Pdf.Exploit.Agent-36121, confirming its malicious nature. The embedded JavaScript is the primary mechanism for exploitation, likely leading to the download or execution of a secondary 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
4a33d9ee4d7a954562c7450ae833d80d1f5dc2104e1e9f290096be031ee6229e		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C2 518 bytes

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