PDF malware analysis — malicious · f557d83fc9f0c46a

MALICIOUS

PDF

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

MD5: 087c72fc93675a3e0900aaa5f1a9ec7f SHA-1: 4fc12759edd6a5c8f0ae6edcfd3e02ed30d77655 SHA-256: f557d83fc9f0c46a48e86ed3c0220b4c19e9222932c90344590ed40a805aa248

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

Static analysis identified this PDF as malicious, with ClamAV detecting it as Pdf.Exploit.Agent-36014. The presence of embedded JavaScript, indicated by heuristics like PDF_JAVASCRIPT and PDF_JS, suggests an attempt to execute malicious code. The ML classifier also strongly flagged this PDF. The embedded JavaScript likely attempts to download and execute a second-stage payload.

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` `d599e14d1ee024f60090e76df2b6a024d30903a705e33ecedce90bf01544bf76`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4106 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).

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