PDF malware analysis — malicious · c111dbb3cfc80194

MALICIOUS

PDF

2.7 KB Created: 7047-01-01 Authoring application: 8999

MD5: f5eb6e9e14aae5bfacae8937047caa55 SHA-1: 0e8b72a0eb232c796ad7d57b8fb9d94ab4a2ae3f SHA-256: c111dbb3cfc80194b10edaed9bb2601da71764ce29dcf0a2e11470cfee0aa577

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF identified as malicious by ML classifiers and ClamAV (Pdf.Exploit.Agent-36014). It contains embedded JavaScript, which is obfuscated and flagged as suspicious. The JavaScript is likely responsible for executing an exploit, as indicated by the 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics. The presence of obfuscated JavaScript strongly suggests the PDF is designed to deliver a malicious 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
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` `a282df4c2b2443537ca51a311cb98b4e488fc9d6d5ddac1e91f359ebe5775dd6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4782 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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