Malicious PDF — malware analysis report

Static analysis result for SHA-256 b064ce8f1d0330e2…

MALICIOUS

PDF

12.3 KB
MD5: 49b66cbe0cccb76d5fad8189e4361fd3 SHA-1: 1e4f116b3836e37f09c2beab0986a8a21205477b SHA-256: b064ce8f1d0330e2c4fd6402b7b02829f0aef3a024587c57bb564f3682d92744
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is the likely mechanism for delivering 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
b53007e98c6c63e5b24394672dfc3a8fc56536130ea1ca5fd88b3823d32f3138		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11497 bytes

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