Malicious PDF — malware analysis report

Static analysis result for SHA-256 64fff8b5690065b7…

MALICIOUS

PDF

11.9 KB
MD5: eac18e6bc5ad9edcfa4b4f8cea8c22c3 SHA-1: c94e744a55f861a7eb04e1d6e0f31815408e048d SHA-256: 64fff8b5690065b7035ce5881531613556567ff7a8c9cd6eba2018d1f479fc66
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.Exploit.Agent-36324). The JavaScript is heavily obfuscated but appears to be designed to download and execute a secondary payload, a common technique for malware delivery. The ML classifier also strongly indicates maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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
3be3ee427bc2c8de9a00f01f5a6783bdc048c874cdff8af6ba550da5ce4e6021		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 11233 bytes

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