Malicious PDF — malware analysis report

Static analysis result for SHA-256 f64b15253804aa14…

MALICIOUS

PDF

3.2 KB
MD5: 67ce4001c12360240538f9cc1f0b406b SHA-1: 9fc7dff8e7c96b4784ac4a71c214519accbb8ed3 SHA-256: f64b15253804aa14b4afe03dee08999fd1dd8bc3e19d7df322a1c146970e68f6
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 malicious code, although the specific exploit and its payload could not be determined from the provided evidence.

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
2488a946c81ee3bf29a07c335c9e0f538ee888e39ef8afee1f5e9b33db12176a		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C5 489 bytes

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