Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fde0ac1eed7cb58…

MALICIOUS

PDF

2.7 KB Created: 2951-01-01 Authoring application: 9152
MD5: bc745927c874eb1a7f64dd53b18ad757 SHA-1: 3af17ec6f3d4add2b43863d3580cb5e1714c9c27 SHA-256: 7fde0ac1eed7cb580eb3d2d024929e3013e58f6feee2cf23d396e1f4139cc59b
96 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit within the PDF. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains the malicious code responsible for the exploit, though its specific actions are not detailed in the provided evidence. The document body is unreadable, providing no further context on the lure.

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
4841e5979958c1473e11f4ac51fe704eaab6a0e9204296ac8d9982ecdf1cf50a
pdf-javascript-stream PDF /JS object 13 at offset 0x328 4796 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).