Malicious PDF — malware analysis report

Static analysis result for SHA-256 2214ecbaea5f8911…

MALICIOUS

PDF

2.7 KB Created: 3755-01-01 Authoring application: 3220
MD5: 84ca1506006834170fffa04b7eb4b94d SHA-1: 6e08987daa13927c925000b85186a55c498a8ffa SHA-256: 2214ecbaea5f8911482d2a804abc456ba055968d07263145c93ef8e9a54c6cb0
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a second-stage payload. The extracted file 'javascript_obj0013_001.js' also shows obfuscation indicators.

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
e87407d14c74c03bd6fb10052bc902c9061f1e7a00874876b63402f1372cce8c
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4814 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).