Malicious PDF — malware analysis report

Static analysis result for SHA-256 7da8a98819218cd3…

MALICIOUS

PDF

3.2 KB
MD5: 5d81ed9bad2fb664239fc13b7c8890e2 SHA-1: 04f2fcbc23b73be393da22598b791a99270121ab SHA-256: 7da8a98819218cd3ae3a2fe856cf0e687c4a2d1edf5ecc77dd0de5963fc29cbe
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36121' strongly suggests this is a known exploit. The embedded JavaScript is the likely mechanism for delivering the exploit payload. No specific IOCs like URLs or hashes were extracted from the script itself, but the ClamAV signature is a high-priority indicator.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
6be2776a75c34827d3e6e502bd58eca62a8743454e1ed1ee3b08498e46500b58
pdf-javascript-stream PDF /JS object 7 at offset 0x9C8 483 bytes