PDF malware analysis — malicious · e925c7d5561b2274

MALICIOUS

PDF

2.7 KB Created: 6185-01-01 Authoring application: 4311

MD5: 1c163f28332d4c5fc3a3a37e5e2db9d7 SHA-1: 4cfa5850faf1ecb0c038a035b678ed5fd9c395c7 SHA-256: e925c7d5561b22741d22eee2a9fe640913c6cad8299213ed836a84bab1e4b153

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

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 this is a known exploit. The embedded JavaScript file 'javascript_obj0013_001.js' was flagged for obfuscation, implying it's designed to hide malicious activity. While the exact script functionality is obscured, its presence within an exploited PDF points to a likely download or execution of 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.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `f3f45398015b6588455ee9f08b7ed824bb860d30cf4afb124afdafc2b4f3d4a6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4788 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).

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