Malicious PDF — malware analysis report

Static analysis result for SHA-256 d78a093bb0c5bf4e…

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 6244dTibedegabala)
MD5: c7c06ae02b7e0096992c7e2d3e81918a SHA-1: 6f69ddff8970eeaa28441c436fdbf00f1040e7ad SHA-256: d78a093bb0c5bf4e66996b7a3c46901b8a1b2d07408c5d1ab19f2adce08b171c
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV detection and the presence of embedded JavaScript strongly indicate malicious intent. The JavaScript action and embedded JS stream heuristics confirm the exploitability of the PDF. The ClamAV signature 'Pdf.Exploit.Agent-36142' suggests a known exploit targeting PDF documents. No specific family could be identified, but the attack pattern is consistent with a PDF-based exploit delivery.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
  • 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_obj0010_000.js
d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663
pdf-javascript-stream PDF /JS object 10 at offset 0x1230 1728 bytes