PDF malware analysis — malicious · d1965d2957e3a477

MALICIOUS

PDF

2.7 KB Created: 9052-01-01 Authoring application: 1666

MD5: eb3ce4416077a76232d685c661ea1ceb SHA-1: 5c64894d8ff9643912f1d431c84ec07d3df40cbe SHA-256: d1965d2957e3a477461dae76dc608af468090487efdd4abe9c4cb194432c081a

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating it contains an exploit. A JavaScript stream was extracted, which likely contains obfuscated code designed to exploit a vulnerability within the PDF reader. The ML classifier's high confidence score and the ClamAV detection of 'Pdf.Exploit.Agent-36014' strongly suggest this is a malicious PDF exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', is the primary artifact associated with the exploit.

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` `a81fdb6ca37239677448426d3168ae77ac329232e600118c3ccfdcf1aaa32dcd`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4786 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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