PDF malware analysis — malicious · 4c9b996ffc244925

MALICIOUS

PDF

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

MD5: 1d8302dd52d67b1ce64706f2649fcdb5 SHA-1: 29294a6d2ff85f9b286630b797219120220d9baf SHA-256: 4c9b996ffc24492576f8048242f229378dee8f02fe0234f01d579b86492bb28b

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating it contains an exploit. Embedded JavaScript was detected, which is often used to deliver second-stage payloads or exploit vulnerabilities. The presence of 'javascript_obj0013_001.js' suggests the JavaScript is obfuscated or otherwise suspicious.

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` `78bbbb70dbf767f521ee5eb2739d7b846eb4805022171f20cfe310a6caf3c263`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	3832 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).

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