Malicious PDF — malware analysis report

Static analysis result for SHA-256 065277bfff8eacdb…

MALICIOUS

PDF

16.0 KB
MD5: e8c5213efac1b896e68ecdece9c89d42 SHA-1: 00c804829e6f54a6db3544dab544b523d2c22532 SHA-256: 065277bfff8eacdb3b775f56636711e65b289ad72e9a5d92c63b6c66cb166d20
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically identifying it as Pdf.Exploit.Agent-36324. Embedded JavaScript was detected, indicating an attempt to exploit the PDF viewer. The script's obfuscated nature and truncated content prevent a full analysis of its payload, but its presence strongly suggests the execution of a secondary malicious component.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
fe5753b1a5655b82e84db37e40c769a330f871f4c1264bc2fa6080f98ceb55ba
pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15470 bytes