Malicious PDF — malware analysis report

Static analysis result for SHA-256 356b12a26fa2298e…

MALICIOUS

PDF

12.6 KB
MD5: 708f7fd838c8a8cec9b4924cd5f4a9be SHA-1: d1d5e945d4879f115eb8b1a4e6d1881e2e53ee2f SHA-256: 356b12a26fa2298ef07e79d63f98840a4f61437bb6d359d252c01ac1cb2731db
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely designed to download and execute a secondary payload, a common technique for initial access.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
ad595893ecf635602bfe35e950ca47a9241fe59ccc7641902a62db61f05ae203		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11779 bytes

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