Malicious PDF — malware analysis report

Static analysis result for SHA-256 9791965225091f80…

MALICIOUS

PDF

12.6 KB
MD5: 1a303b024e249984375c6b81d7503873 SHA-1: 1306e2853fde953d4c416fdaa2975c98736a453b SHA-256: 9791965225091f80281b9b8eaba67ac74c019335750f06b8e02ba1e27f8e1e74
108 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

This PDF file was flagged as malicious by multiple detection engines, including a high-confidence ML classifier and ClamAV, which identified it as Pdf.Exploit.Agent-36723. The presence of embedded JavaScript streams indicates an attempt to execute malicious code, likely to exploit PDF reader vulnerabilities or download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
4eb82475f591cc0e0b624b8087143338aee75b0b43088b9198c296ae026c2ffb
pdf-javascript-stream PDF /JS object 76 at offset 0x369 11793 bytes