Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d790386f537adf1…

MALICIOUS

PDF

12.3 KB
MD5: d23cecbffcd34d176f9839273c07972f SHA-1: 0c02000e909271818a9221a3750a47e55883ded4 SHA-256: 1d790386f537adf14e57ea2aeb46b38fe22e41413dc603674f2be1bbdf6310da
106 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection as 'Pdf.Exploit.Agent-36723'. The presence of embedded JavaScript further indicates malicious intent, likely to exploit PDF vulnerabilities and download a secondary payload. The exact nature of the exploit and payload cannot be determined without further dynamic analysis.

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
d1a07189e5cf31db56d8c6469275333a8d1ac8f4c73c6d90c6369b3ce50b271a
pdf-javascript-stream PDF /JS object 76 at offset 0x369 11461 bytes