Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a4c95181264dc60…

MALICIOUS

PDF

10.8 KB
MD5: 11cd21477e5c5a62c380f2c8a408c16f SHA-1: 52312338f7f35ddfb8eb42642477adb7660b8c6a SHA-256: 7a4c95181264dc602e58ffbcca75e2d581b58982945fbe40904b61993ca76d4e
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, flagged by multiple heuristics and a critical ClamAV detection (Pdf.Dropper.Agent-7275275-0). The JavaScript is obfuscated but its presence and the ML classifier's high confidence indicate it is designed to download and execute a secondary payload. This is a common technique for delivering malware via malicious attachments.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7275275-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7275275-0
  • 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_obj0044_000.js
408337a1186e2f266c615b93db634acc5d3097d12d2e5cd40052ec9eafb33c99		 pdf-javascript-stream PDF /JS object 44 at offset 0x14C 28021 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.