Malicious PDF — malware analysis report

Static analysis result for SHA-256 79c6c5fb7ad80c9a…

MALICIOUS

PDF

12.5 KB
MD5: 7a6fec91dd2c415d7cb1139ef9bd795c SHA-1: bbc4c84b483883605532cfc4191f1aa74439e1f6 SHA-256: 79c6c5fb7ad80c9a4be30836541e1dbfa3692be13c8184bee58b80ff6e802dc9
76 Risk Score

Malware Insights

The critical ClamAV heuristic indicates this PDF file is malicious, specifically identified as Pdf.Exploit.Agent-36723. The presence of embedded JavaScript streams and actions strongly suggests that the file is designed to exploit a vulnerability within the PDF reader to execute arbitrary code. The JavaScript is likely responsible for downloading and executing a secondary payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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_obj0076_000.js
deb5d7e8e8e693be80e699f8096e47f600d3912dcc352f37f46b036e7525546d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11671 bytes

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