Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e00f64af5ea30ac…

MALICIOUS

PDF

3.3 KB
MD5: e3a53dc0e772902a0a93cff016d4afe9 SHA-1: bf734db7e625d4de9b45816ca3a807add981112e SHA-256: 0e00f64af5ea30ac30a059885b470f9b64fbd4ef475e905bff82ebaae2400f7d
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, flagged by multiple heuristics and identified by ClamAV as Pdf.Exploit.Agent-36121. The JavaScript code appears to be obfuscated but is designed to execute a command, likely to download and run a second-stage payload. The ML classifier also strongly indicates maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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
a4d65a65d1611767a10e3db64b5ce05dd966ac5c78bd84d7ed643a744668a416		 pdf-javascript-stream PDF /JS object 7 at offset 0xA84 325 bytes

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