Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc7b7dbaf6baf1c1…

MALICIOUS

PDF

3.2 KB
MD5: 79b2fe098bae417cd35fb752ebdad480 SHA-1: bc9d598ce4ac2cc4b62cfed8d4bdec2980eb42ed SHA-256: fc7b7dbaf6baf1c1ce33d557206853c41dda5a05d25428b8d2501575dd40a72a
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 heuristics. ClamAV also detected this file as Pdf.Exploit.Agent-36121, suggesting it is a known exploit. The embedded JavaScript is likely responsible for executing the malicious payload.

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
4e6ff652f0ad9237e4b5ea8dab9ba5cda913fe2d59bf30a8400e2419efafe7bd		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C5 454 bytes

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