Malicious PDF — malware analysis report

Static analysis result for SHA-256 98c19cee9bf84dc3…

MALICIOUS

PDF

3.3 KB
MD5: 68bea3218530da5fe44181fb0ad26b6f SHA-1: d49cc336f467a0e982d2f8de049965f61029e4d9 SHA-256: 98c19cee9bf84dc3e2e123b887d4a16d7411c9beb519978086b7efc6ecb43133
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/Shell Script Execution

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36121' strongly suggests this JavaScript is malicious and exploits a known vulnerability within the PDF format. The script is likely designed to download and execute a second-stage payload, though its exact function is obscured by the PDF structure. 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
1cb57474769f703e87e4b78572137614be688aca45014471f3e3c06074ab3509		 pdf-javascript-stream PDF /JS object 7 at offset 0xA88 323 bytes

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