Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e1ac7c555cba79…

MALICIOUS

PDF

2.7 KB Created: 4719-01-01 Authoring application: 8192
MD5: 969f75e3622c2e812e617fd786cf28bf SHA-1: 5f6a1c5ac333b45db22f40ccfc9b59f85938edcd SHA-256: d3e1ac7c555cba79b0112c3c32836d8355e115fa9735c94bf5bf33cb30eb3960
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 exploitation capabilities. The extracted artifact 'javascript_obj0013_001.js' shows signs of obfuscation, typical of malicious scripts designed to download and execute further payloads. The lack of readable document body text means the specific lure cannot be determined, but the technical indicators point to a drive-by download or exploit delivery mechanism.

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
0696f5cb485442fed9b0c8456674ff689f4533a6d477a3ddcfdc4dc7425c3878
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).