Malicious PDF — malware analysis report

Static analysis result for SHA-256 f10c09a2d55f82f9…

MALICIOUS

PDF

16.0 KB
MD5: 74f224520f62a1d199010b4c66ca8d1f SHA-1: 085b730d3e4acf16136c5f38f9be26851bf8bee0 SHA-256: f10c09a2d55f82f9174028bda9589e46a69192853a19b69162736af1ee70d9b8
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JS stream. This JavaScript is likely used to exploit vulnerabilities within the PDF reader, as suggested by the ClamAV detection name 'Pdf.Exploit.Agent-36324'. The embedded script is the primary mechanism for delivering the malicious payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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_obj0076_000.js
d6f12b12dacc439c63a1e9f5533d201c06dcf3ba044e1ec5951d49b9ce789523		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15466 bytes

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