Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e6413cb13aea177…

MALICIOUS

PDF

2.7 KB Created: 8382-01-01 Authoring application: 9351
MD5: 8641fe44fe0ee0f5df5e40ee7dcf206e SHA-1: 6421b3b97e6ed0f36ad86f327ff2fd1f2e9211da SHA-256: 1e6413cb13aea1779c86173d6cc40ea3c96f537ea684a2f53f1afd82ba6cdf9b
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' was flagged for obfuscation, suggesting it is designed to download and execute a secondary payload. The document body is unreadable, but the presence of JavaScript and the ClamAV signature strongly suggest an exploit attempt.

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
1ad04bf4316a13c42d29bc4de0a29d78b0e059438d71cceaf951c8f74cf179a0
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4784 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).