PDF malware analysis — malicious · 9a0cec98d9b2f866

MALICIOUS

PDF

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

MD5: 0ffd06611e4b6993a2fcaeae9e503ec5 SHA-1: 240c9e82a70d533407b5dc643ab51429d6cf65ec SHA-256: 9a0cec98d9b2f86653406b77e42b8465abb00b5a737efac6dde0fab063c6ef87

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically 'Pdf.Exploit.Agent-36014'. The embedded JavaScript, named 'javascript_obj0013_001.js', is likely responsible for executing the exploit. The exact nature of the exploit and its payload cannot be determined without further analysis of the obfuscated script.

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` `93ba1696f171114ccf995d05cc1ac68727b4ccd82f6570e2b35cd42d173db18a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	3962 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).

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