Malicious PDF — malware analysis report

Static analysis result for SHA-256 1be02f6e22a49df5…

MALICIOUS

PDF

3.3 KB
MD5: adcdd6394a0d0f681b6c7eef338843ec SHA-1: 49b9e0fe6ec4d39c3990694b8889c3a75c682f0d SHA-256: 1be02f6e22a49df5d836855230dda7427fd1f314a1c8b3f0d4eb7ff82fae58ee
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for the malicious behavior, such as downloading a second-stage 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
132a748a1323f8f2b8ac96bf3a3dc5ccdb2c111fbe2a2bb36c0e3dc017fd681c		 pdf-javascript-stream PDF /JS object 7 at offset 0xA89 326 bytes

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