Malicious PDF — malware analysis report

Static analysis result for SHA-256 50fb37e6338362e6…

MALICIOUS

PDF

3.3 KB
MD5: 7711343ef82225125c5949f2594a04cc SHA-1: ea21d258350a8e20ef31b3d6a55153207ac20e0e SHA-256: 50fb37e6338362e6c234065dfe1105dd7b97600b249ab905a0c28c98a84a1527
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a PDF vulnerability to achieve code execution, leading to the malicious verdict. The document body is unreadable, so the specific lure cannot be determined.

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
a662fff3674849d0b7deea4f0327f1d16f817318f8bf30ba40748734f4170970		 pdf-javascript-stream PDF /JS object 7 at offset 0xA85 334 bytes

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