Malicious PDF — malware analysis report

Static analysis result for SHA-256 51915ce4389d1559…

MALICIOUS

PDF

3.2 KB
MD5: 73a9eb6e0e92a0266a9709339042635e SHA-1: 67adc79f550c7ddb234aab384d4b9a22e3b8dcb1 SHA-256: 51915ce4389d1559b733508dfcc9c95d300202656133deab41a24fc63dfbdbfa
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is the likely mechanism for delivering the exploit. The document body is unreadable, preventing further analysis of the lure.

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
d9acd9e69bc41c3d2c127d7530af41551458850c99bf4fe16b35233992bb0657		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C7 434 bytes

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