Malicious PDF — malware analysis report

Static analysis result for SHA-256 d85d3828daa704ac…

MALICIOUS

PDF

3.2 KB
MD5: 4a545e1c33482294945b7b36d43b034e SHA-1: d818fd22f589356e14a7e3b0e4fc68a7784a2784 SHA-256: d85d3828daa704acce271f0132b4c7ebbcf295d73d710d0457106c5ed434a62f
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' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for the exploit execution, leading to the malicious verdict.

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
fcba9fc8f8d56973506ed97bbb3d15189a7f00cee8624913166a0cfa09f1859b		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 467 bytes

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