Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c24885834624d2a…

MALICIOUS

PDF

3.2 KB
MD5: 72074950a0a9b34c71d56666c15fd644 SHA-1: 184b4ad16f5e40df2a14f28338dad704d64781c6 SHA-256: 3c24885834624d2ac44ea24c7d80dd8264723141d8b1e08bfeaf7d03f83e12e6
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 also detected it as Pdf.Exploit.Agent-36121. The embedded JavaScript is likely used to exploit a vulnerability within the PDF reader, leading to the execution of malicious code. However, the specific actions of the JavaScript could not be determined due to its obfuscation or truncation.

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
db75148973316a22246c85f189e5f693eaf9e739240d10689d84592835a6efda		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C8 510 bytes

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