Malicious PDF — malware analysis report

Static analysis result for SHA-256 d315e07ab02a39bd…

MALICIOUS

PDF

12.7 KB
MD5: 744f4bdc7108c2e91c8b217d5e89f874 SHA-1: 472d8e0d3a5b4e90e7ab675683f534975169fa0b SHA-256: d315e07ab02a39bde194c12acf7eb21e6d2e24a15613f117a647514be4e57611
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests malicious intent, likely involving exploitation of a PDF vulnerability to execute the embedded script. The script's purpose is presumed to be the download and execution of a secondary payload.

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
83b146d23c379b5bb6e7a07082edeb6f7411ac4b28f92a997cbf6af7757d1034		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11890 bytes

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