Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa2741139d92e909…

MALICIOUS

PDF

3.2 KB
MD5: 471c8c13c5e8301a7b4e039b55ae7bd4 SHA-1: 24597d3ce3f2d4448cfbd7de290a08b97c62cb8d SHA-256: fa2741139d92e9094a8200096689a650e054178224bcce97461f0ff618c4d9d2
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 exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a secondary 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
c99d21f7fdd1811118d7d5378d48d4e38a880efb0df9d0109ce5f5bfa66c500c		 pdf-javascript-stream PDF /JS object 7 at offset 0x9D6 475 bytes

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