PDF malware analysis — malicious · 8926e13c6c769be7

MALICIOUS

PDF

2.7 KB Created: 6125-01-01 Authoring application: 1159

MD5: ffb61c5b032aa720c25731cd2825eb76 SHA-1: 7108205dfafa05cd483de6cfa709d36e4c56d687 SHA-256: 8926e13c6c769be708a868dade5ecbbb5d74c5e17b04931724d28ff332fdd451

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 which identified it as 'Pdf.Exploit.Agent-36014'. Static analysis revealed embedded JavaScript, indicating an attempt to exploit PDF viewer vulnerabilities. The ML classifier also strongly indicated maliciousness. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, though its exact function is obscured.

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` `ac02f85af90078eb5e849d20188d3858ffa379d0ff162712cd6ec0f86764844e`	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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