Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc21f0526c456b45…

MALICIOUS

PDF

3.2 KB
MD5: c7317167d91a023f959e85e0a4e93efd SHA-1: 80fe235ff1160e13683e2829717d5bb626f6f4a2 SHA-256: cc21f0526c456b4572fdd1e47a64ae51c03b82c222f1046ef13d1e302d639118
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV also detected the file as Pdf.Exploit.Agent-36121, confirming its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code.

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
b187c6434c1cd99c3333fc103ea7aa7dda9cda62aacfc43e80f65dfc83f63c9f		 pdf-javascript-stream PDF /JS object 7 at offset 0x9DA 505 bytes

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