Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc05984783a95028…

MALICIOUS

PDF

12.0 KB
MD5: 8d5e751ce92cd395bfa20f1d7971e546 SHA-1: 8f7d5058ac463aaf05749e80cafaa8185a512629 SHA-256: bc05984783a9502810a47543ea9a3a708cf5281d57f661e1535c481e2f918ea1
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability to execute this script. The script likely serves as a dropper or downloader for a secondary payload.

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
6e6b061c493801925ca6ccb99a757cf0596a8370f539643a85a1f9764bf8cb9e		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11176 bytes

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