Malicious PDF — malware analysis report

Static analysis result for SHA-256 8712367d666ccbec…

MALICIOUS

PDF

3.3 KB
MD5: 6ed800a080eaedce1c25a4a1fb142d35 SHA-1: 5f6727fb30b2bcc7cf20d1f39a24905892c487a1 SHA-256: 8712367d666ccbec71bea1e46d2824a07f2e0288550a74c4448f649fb1d11e49
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 further confirms its malicious nature. The embedded JavaScript is likely responsible for exploiting a PDF reader vulnerability to achieve arbitrary code execution, leading to the download or execution of a secondary payload.

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
9e9002333dbc954dd82074b8a774f31cd8bc304d16458afe6c4307c1e9ab68aa		 pdf-javascript-stream PDF /JS object 7 at offset 0xA84 314 bytes

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