Malicious PDF — malware analysis report

Static analysis result for SHA-256 3eed03f0937b2903…

MALICIOUS

PDF

2.7 KB Created: 6000-01-01 Authoring application: 1996
MD5: 3ce6fcb6055eebf97d1572f6104ffec0 SHA-1: a042c2c1056beb17cca54b1f716d375ed802c3fd SHA-256: 3eed03f0937b2903b81b679286e861b29c2c5cc370c1cc7f8107beb52a70b9e9
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit. The extracted JavaScript file exhibits obfuscation, typical of malware attempting to hide its malicious actions, which likely involve exploiting a PDF vulnerability to download and execute a secondary payload.

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
30b5b193e7ac465b55be46a3c4fc49f1563056c4ee013f91ce0982e4379c1599
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4790 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).