Malicious PDF — malware analysis report

Static analysis result for SHA-256 208d3283af0a82ab…

MALICIOUS

PDF

2.7 KB Created: 6391-01-01 Authoring application: 775
MD5: 21413f79e117258869a9b328d49dd023 SHA-1: d7f12527fcd214f588dd3079cf53df324be07025 SHA-256: 208d3283af0a82abffa0126784c9dbde9dbc00139f1067136b8e9d3bc4249c84
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' further confirms its malicious nature. The embedded JavaScript file 'javascript_obj0013_001.js' likely contains exploit code designed to compromise the user's system. The file's purpose is to deliver and execute malicious code through PDF-based exploitation.

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
320585a039a02f1882caeff97dbcae3570429b055e7777f117013751ca328457
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4795 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).