Malicious PDF — malware analysis report

Static analysis result for SHA-256 cebf9a2a20ba0eb3…

MALICIOUS

PDF

3.5 KB
MD5: 6e845f5444ffc6ad3da181cb4980560d SHA-1: 243ce38ec9c786ca7a7e64fa50739aeba22476d6 SHA-256: cebf9a2a20ba0eb3ced04572512ce1e183d353886b5d87cc26e16d627458387d
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious File: Malicious JavaScript

The PDF contains embedded JavaScript and uses ASCIIHexDecode filters, indicating obfuscation and potential exploit activity. ClamAV also flagged it as Heuristics.PDF.ObfuscatedNameObject. The presence of JavaScript suggests an attempt to download and execute a second-stage payload.

Heuristics 4

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX
    Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
  • 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.