Malicious PDF — malware analysis report

Static analysis result for SHA-256 44cb86a909cf123f…

MALICIOUS

PDF

3.2 KB
MD5: 8cd60906a5ee9239892ec881fd98b2ef SHA-1: e15a0fbbd2f05d46b59c89ae4f67a0e9cbfe65a2 SHA-256: 44cb86a909cf123f31779de25d9c0df9f688aa7ef38ffe6a5466678838f4a144
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, as indicated by multiple heuristic firings and the presence of a javascript_obj0007_000.js artifact. ClamAV detection as Pdf.Exploit.Agent-36121 further confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code.

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
4010c42d90a451cbb57f08f6d93ee05d25dc2996bfc732e5514d8eba1d237104		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 480 bytes

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