Malicious PDF — malware analysis report

Static analysis result for SHA-256 d675a90b6f88fba2…

MALICIOUS

PDF

3.3 KB
MD5: 84a185cd9353dad8fae4da828144f037 SHA-1: ab9444629291ffaf1f1071f16065756974793286 SHA-256: d675a90b6f88fba2cc8517f70a775c97449ebd9f63eebedfc195f18ff519652f
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by the 'PDF_JAVASCRIPT' and 'PDF_JS' heuristic firings. The 'ClamAV: Pdf.Exploit.Agent-36121' detection strongly suggests this JavaScript is malicious, likely exploiting a PDF vulnerability to achieve its objective. The embedded JavaScript stream was extracted but could not be further analyzed due to its nature.

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
2b3849e8e827deb461359ae3c6139d898f9ceb6b741a12fcbf65ea2c526b576a		 pdf-javascript-stream PDF /JS object 7 at offset 0xA82 324 bytes

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