PDF malware analysis — malicious · cb847d7506c73fb1

MALICIOUS

PDF

2.7 KB Created: 8520-01-01 Authoring application: 4595

MD5: f49b000d4e73efe9e6490c92e38ad39d SHA-1: 93f06457d4c5276b4d1e5d8247f42511408c9343 SHA-256: cb847d7506c73fb18b657f38d84b5b352b8efd282b6e536ec1816018701cc8ed

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by ML classifiers and ClamAV as malicious (Pdf.Exploit.Agent-36014). Static triage indicated suspicious JavaScript obfuscation, and embedded JavaScript streams were detected. The primary attack vector appears to be JavaScript execution within the PDF, likely to download and execute a secondary 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` `43f5a0a26f7ff1eddc8a00389a4d33397180b80686632f9a98ba52d1976ce007`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4814 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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