Malicious PDF — malware analysis report

Static analysis result for SHA-256 826249b6c5a99da7…

MALICIOUS

PDF

3.3 KB
MD5: 429d2abf53c373e61ae4d43b237cc88e SHA-1: f65f21d9a215eb86d98a00cb6b0c87955fc02d80 SHA-256: 826249b6c5a99da7f4f03c00548c4537ea3e28755b31ad5241da20f4b1a4eb48
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary 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
7c13396798c967e05516db1c19a5647df5d99533e18235d7790b059e5e8e7360		 pdf-javascript-stream PDF /JS object 7 at offset 0xA88 300 bytes

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