Malicious PDF — malware analysis report

Static analysis result for SHA-256 52d4b1ed2bf3decf…

MALICIOUS

PDF

12.4 KB
MD5: 80025ef3d23f7fd1b82e1b93a60b2774 SHA-1: 3d7d9edba305f1424b1654944ce4422fb7019e84 SHA-256: 52d4b1ed2bf3decfb0dfe1590dee166dfcd8e911dfb9a081741ba43b33f64c0e
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known vulnerability within the PDF structure. The embedded JavaScript is the likely mechanism for executing a malicious payload, such as downloading additional malware.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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_obj0076_000.js
bae54fa26408ac8af1ba17188d740dff8873748d3db6f52a3875276616071976		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11627 bytes

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