Malicious PDF — malware analysis report

Static analysis result for SHA-256 816f5c87914264dd…

MALICIOUS

PDF

3.2 KB
MD5: 83daf83b27caccb81e49b49875dfa543 SHA-1: b2cf19cd176c89aee48378d88ca8fcecb763ad89 SHA-256: 816f5c87914264ddb92cf43cb00b00a0f93e8ffa412211b63a0154d76d605b52
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 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 JavaScript is likely responsible for exploiting a PDF vulnerability to execute arbitrary code, potentially leading to further malware infection.

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
81cd2c9ec0bca189483be8e4db6e8847a69dc6d254aac16e224aebcc016abbfc		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C7 486 bytes

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