Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b25e7a3f1f96705…

MALICIOUS

PDF

3.2 KB
MD5: 020802495da43111df5d3d9fcd83a3a6 SHA-1: 57ce5b5310d753d950408a7580ada76e2dbd56b4 SHA-256: 3b25e7a3f1f967057e6bbe6d3c1e5f7173132ddf0ee25ea7690bef4a6c9a2747
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as Pdf.Exploit.Agent-36121 confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code, leading to the malicious verdict.

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
d5c8ad3e6eb130d745c2cfd9e19dde4606d3694c33a4e51bad4a57b84fff244d		 pdf-javascript-stream PDF /JS object 7 at offset 0x9D2 434 bytes

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