Malicious PDF — malware analysis report

Static analysis result for SHA-256 54e3b5cda2076cbd…

MALICIOUS

PDF

3.2 KB
MD5: 67d961cc6b447df265c9d5707f1f613f SHA-1: c318948e279375c979a267f00a729b48e280d8ba SHA-256: 54e3b5cda2076cbd403c438ea7ce1fd2b02d0cd9d62b5c21295d02d2d38a29ff
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' confirms its malicious nature. The JavaScript is likely responsible for exploiting a PDF vulnerability to achieve arbitrary code execution, although the specific exploit is not detailed in the provided heuristics. No document body text was available for further analysis.

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
ce207c78628088ee8f9d967f19b2fd4086582c14d015d39e17fcab4e5b6b0f93		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C4 492 bytes

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