Malicious PDF — malware analysis report

Static analysis result for SHA-256 a87c29bc3ce667b8…

MALICIOUS

PDF

3.2 KB
MD5: 6d0e5b4cd1ca5368e8beb60d33ced35e SHA-1: 656b49cc4a573c75e100dc1da038dd5b52befbf3 SHA-256: a87c29bc3ce667b876378447336fdf11b87415bd20d1845e4b08381a6ebea5bc
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/Shell Scripting: JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 further confirms its malicious nature. The embedded JavaScript is likely used to exploit a vulnerability within the PDF reader, leading to the execution of arbitrary code. No specific family could be identified.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
5ad8f40f968baa51bfc4f4c1a5c46cec1a16b2c401f590d8dc3681288bdcdb59		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C7 460 bytes

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