Malicious PDF — malware analysis report

Static analysis result for SHA-256 275b80ce821df2d3…

MALICIOUS

PDF

3.5 KB
MD5: b564da8735010bfaa8a684a6ea17465f SHA-1: a9c2731a894c9fa7eb252df8212cb6d0ed9353f6 SHA-256: 275b80ce821df2d37fc5e328c9abe24217aa4b144617f94ff37c95845cb1a0a3
96 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript and uses obfuscation techniques, including ASCIIHexDecode, which are commonly used to hide malicious code. ClamAV also flagged this file as malware. The presence of JavaScript suggests an attempt to execute arbitrary code, likely to download and run 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.