Malicious PDF — malware analysis report

Static analysis result for SHA-256 b098eb274fee7e83…

MALICIOUS

PDF

3.2 KB
MD5: 70dc735538a8a536c55c0b4ac6bf523c SHA-1: 302bd9154b5cf5b1b77e11eb4833bd8713d30be2 SHA-256: b098eb274fee7e83e744d8d73a55b9fdaf6bb13411dccf94c6a1ec05dae2603c
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. The ClamAV detection 'Pdf.Exploit.Agent-36121' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is the likely mechanism for delivering a second-stage payload, aligning with common PDF-based attack patterns.

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
8609b880b29d575f7dc5d35b90771d9739b1c06805974678aa943d10e5c8ad2a		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 435 bytes

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