PDF malware analysis — malicious · 5465ce7b5c1a339d

MALICIOUS

PDF

2.7 KB Created: 6465-01-01 Authoring application: 7262

MD5: a74b4bd0bfdac87c6bec8b181a946190 SHA-1: b2f9faf2391ace0bcce11210ab02b7db25e3fe77 SHA-256: 5465ce7b5c1a339dc3e2f784dfcf23eb95d3ed91a7ef7852a4111242f3a38804

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by multiple engines, including ClamAV and an ML classifier. It contains embedded JavaScript, which is often used to exploit vulnerabilities or download further malicious content. The presence of JavaScript actions and streams, along with obfuscation indicators in the extracted JavaScript file, strongly suggests an exploit attempt. The specific exploit is likely related to the 'Pdf.Exploit.Agent-36014' detection.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `bd769bbbf89fefc2732e0da210014aa62dc3f179e29ae86acc2149ba54fa1bd5`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4762 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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