Malicious PDF — malware analysis report

Static analysis result for SHA-256 1374a8560dd71ca2…

MALICIOUS

PDF

3.3 KB
MD5: 7d5a1321495ebdb7e5ad161de239da71 SHA-1: 1555010dc9fda702602e97bf4920ee389428be50 SHA-256: 1374a8560dd71ca2c84c6db1989db068add318ca341a8356fd954d64d0b01af2
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, identified by multiple heuristics and a critical ClamAV detection for 'Pdf.Exploit.Agent-36121'. The JavaScript appears to be deobfuscated and attempts to execute a payload by leveraging the PDF's title property. This indicates an exploit targeting PDF viewers to download and run a secondary malicious component.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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
4a9e1cb7d49c3b70c2ee5afb70ccfeb19046c8dbba92ce091384978e0a7195b9		 pdf-javascript-stream PDF /JS object 7 at offset 0xA84 346 bytes

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