Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6d08ae3c1e4c1df…

MALICIOUS

PDF

2.7 KB Created: 7271-01-01 Authoring application: 9667
MD5: 4a7aea07ea3fe58c37fea685272aac3e SHA-1: f58fc39c8c220b00257f1d314a787d340fd6af66 SHA-256: d6d08ae3c1e4c1dfd1f9a0f8a9c929fb644fe6f54bea107d9c1b664bac1b8db7
96 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit. The embedded JavaScript file 'javascript_obj0013_001.js' was flagged for obfuscation, indicating a malicious intent to hide its functionality, likely to download and execute a second-stage 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
466f5740503cc054390c66eb5c8df9417817b42e53c521d3c878b75b7b0fb8a8
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4791 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).