PDF malware analysis — malicious · 81e6535d51e3a4a1

MALICIOUS

PDF

2.6 KB Created: 2008-31-20 53:85:00 Authoring application: aaaaaaaa

MD5: cd52a076ed47ac9954faf350004f1f09 SHA-1: efd84ce90ed658248fd6dd6e79fbbac08285111c SHA-256: 81e6535d51e3a4a112bab84d3a8b5474df003e33d1b6993e6bc99c1fb090556a

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, which identified it as Pdf.Exploit.Agent-36014. Static analysis revealed embedded JavaScript, indicating an attempt to exploit a vulnerability within the PDF reader. The JavaScript is obfuscated, but its presence strongly suggests the execution of a malicious payload. The file's metadata and structure are consistent with exploit-laden documents.

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
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `19c4ff66466212a4057a7f13419a097a03ea5b6e223dde335c924df7a2123790`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	3949 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).

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