PDF malware analysis — malicious · 55b809b362655c47

MALICIOUS

PDF

2.7 KB Created: 745 Authoring application: 4975

MD5: c321f7bb3335a13c995d19691bf7166d SHA-1: 65463986a506b8c57b6f9376fce9fddec884e474 SHA-256: 55b809b362655c47967a96aa874a7742d9baa7987ca4616a630e554020af03bc

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies the file as 'Pdf.Exploit.Agent-36014', suggesting it exploits a known PDF vulnerability. The extracted JavaScript file shows obfuscation indicators, typical of malware attempting to download and execute further stages. The exact payload and delivery mechanism are not fully discernible due to obfuscation, but the overall pattern points to a malicious PDF dropper.

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` `97480f8b71e3fd97e9814bf4a8e276216925fc06d8d834ce8983cefc0a94b7ed`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4813 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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