Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fc48dbd37493bb8…

MALICIOUS

PDF

3.2 KB
MD5: 7c6f7fc3d9d90fa57a124f06c4a4a5a0 SHA-1: 3bb97cb210f715af26248be3aee0740ebec79306 SHA-256: 9fc48dbd37493bb857a96ec712182372cf65f8d1624946b7fbf7fea5490e4d57
76 Risk Score

Malware Insights

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

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

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
c9686229e1c1c5365fa7781d84ac1a096bcb85f632e241440c3afdd5b78344d7		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 484 bytes

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