Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3514cd9285c1970…

MALICIOUS

PDF

2.7 KB Created: 9174-01-01 Authoring application: 8444
MD5: 0d1716955369f215847df508f37ee062 SHA-1: f9550c4a5e17f7088f9051bf2fb713f2fd3b970c SHA-256: f3514cd9285c19701f3ccaa2657eb03cf78a1be30fd3ef1dd551ddbae71e7d61
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. ClamAV detected this file as Pdf.Exploit.Agent-36014, suggesting it exploits a known PDF vulnerability. The embedded JavaScript, extracted as javascript_obj0013_001.js, likely contains obfuscated code designed to download and execute a secondary payload, a common technique for initial access.

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
cb15cdb6fbe660422e4e587e89e4ad1c5589398d76576a15e6c49b39742a4645
pdf-javascript-stream PDF /JS object 13 at offset 0x328 5176 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).