Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee84f790b4eff183…

MALICIOUS

PDF

2.7 KB Created: 9093-01-01 Authoring application: 6290
MD5: 17c1d101fcd72625d864889bbc7dc231 SHA-1: 007ec6642e5e8585d93dac60773b225fdcfdc57f SHA-256: ee84f790b4eff183f6331999b1fb8160e4fd9d6cee3aed1b31d116063d9832f4
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file 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 extracted JavaScript file, 'javascript_obj0013_001.js', is flagged for obfuscation, indicating it likely performs malicious actions such as downloading a second-stage payload. The document body is heavily obfuscated and unreadable.

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
b655e802237199a37b7896eb85cf725c01ef3a2fe929ff5da836cc08cb36b1ea
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4794 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).