Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6ddc094afc31748…

MALICIOUS

PDF

2.7 KB Created: 1237-01-01 Authoring application: 4273
MD5: 6a48d47ddfea58ee09ab68120b1cb51d SHA-1: d6812f953da0b7040cc6b484d9ecfbcb24514cde SHA-256: e6ddc094afc3174812e40b733ff704b7ea8e367a3a0c6bd950ade69a96af98ac
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' further confirms its malicious nature. The embedded JavaScript file 'javascript_obj0013_001.js' is likely responsible for executing the exploit. Due to the obfuscation and lack of specific indicators, the exact exploit and payload delivery mechanism cannot be definitively determined, leading to an 'unknown family' classification.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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_obj0013_001.js
1f3fb11bc66509668b8a658dfd2cf62c66f95b6e110d85293dec4276fbe583d7
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4811 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).