Malicious PDF — malware analysis report

Static analysis result for SHA-256 210076c533331af2…

MALICIOUS

PDF

16.0 KB
MD5: 7f65c7228458efc64054cdb876b334a5 SHA-1: 06b4ffa05d3a73ee656bc1d2e7011a8f68f62d86 SHA-256: 210076c533331af2cc86b5cd147dfb9de4ae1b3ffb6ecd97f9b0390678272e98
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JS stream. ClamAV detection as 'Pdf.Exploit.Agent-36324' strongly suggests exploitation of a known vulnerability within the PDF structure. The embedded JavaScript is likely designed to download and execute a secondary payload, a common technique for initial access.

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
3b2e68c4473006cc4580ebf91dc425ca2b176a1661f7cc8bb113751a08b0fec8		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15490 bytes

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