Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8ba6a0bc7e07dfd…

MALICIOUS

PDF

3.2 KB
MD5: 5e95938e417f2ac8e2dab38f1f130744 SHA-1: 788b10d1847c436540fe4141bebe9c9ab3ec62ff SHA-256: f8ba6a0bc7e07dfd71a9111cd37fd6480a40c8020201cb7e76480ca2df9c08c4
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: 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. No specific family could be identified.

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
d4bd6746f7b5cea02a30b2a02cba06406f827a172773f051aba314525a7a7951		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 502 bytes

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