PDF malware analysis — malicious · f503860d6b30369b

MALICIOUS

PDF

2.7 KB Created: 9410-01-01 Authoring application: 1507

MD5: 05784d8a8d07514275cfd8d09c8da995 SHA-1: 5f0733c8434275849bf250cc5a97e381cbedc322 SHA-256: f503860d6b30369b5d46f4ea263eae6419e445b875e596e04fdb91dd8f9e83e6

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: 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' strongly suggests a known exploit. The embedded JavaScript, although not fully detailed here, is flagged for obfuscation and hex escape sequences, pointing towards an attempt to hide malicious code execution. This combination suggests the PDF is designed to exploit a vulnerability and run a malicious script.

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` `18adb430a6fd9d37a28724a7edc9b8b1f9eb21e0491d7c7ddcfe9c66a2e934e6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4816 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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