Malicious PDF — malware analysis report

Static analysis result for SHA-256 dedfdc3ebc52b255…

MALICIOUS

PDF

16.0 KB
MD5: 80cd9ce1aa0e65e7fc918934cd5b998b SHA-1: 0859e60427a377909dfc9fc2d342f368fbe1739f SHA-256: dedfdc3ebc52b25598f7c73c8acbbef00e338ca898b9e8a3e6c0e17ce129a802
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. This JavaScript is likely designed to exploit a vulnerability within the PDF reader to execute arbitrary code. The ClamAV detection name 'Pdf.Exploit.Agent-36324' further supports the presence of an exploit. The primary function appears to be the execution of this script, which is a common method for delivering further stages of malware.

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
56944b2f5233c91c81563afa0e4936cff57d4c3e3cd9e5cd2d8b82e20918fc21		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15424 bytes

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