Malicious PDF — malware analysis report

Static analysis result for SHA-256 0076252ffe1e2330…

MALICIOUS

PDF

16.0 KB
MD5: 6af9f184ce04f80cec102e655a20bb99 SHA-1: 11d2a63bf709ad68d18d4496e535fbd1d3490f6a SHA-256: 0076252ffe1e2330882b549b3dda61da7f3f856919e9531961348daedd4fc103
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36324' and a high ML score indicating maliciousness. Embedded JavaScript, although heavily obfuscated, is present and likely responsible for executing the exploit. The primary function appears to be downloading and executing a secondary payload, typical of exploit-based PDF attacks.

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
f79f74c7b6129e2934ee1de3b6df118738773e8b53568c845c9533d89027fc84
pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15466 bytes