PDF malware analysis — malicious · 2bd52e55b6841e1e

MALICIOUS

PDF

2.7 KB Created: 7240-01-01 Authoring application: 8581

MD5: fe3cdafcb3dc6ea426ebdfe91899c2e9 SHA-1: 84da7ac4666f4cbb126f571dfff238d8e7ec8bf7 SHA-256: 2bd52e55b6841e1e9b548f500e8edd5100051a48bbb8a81ad747e27528ec77dd

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious JavaScript

The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of exploit. Embedded JavaScript, identified by the PDF_JAVASCRIPT and PDF_JS heuristics, is present and likely used to execute malicious code. The extracted artifact 'javascript_obj0013_001.js' suggests the script is obfuscated, a common technique for malware delivery. The primary attack pattern involves exploiting PDF vulnerabilities via JavaScript 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` `e2ee90f2f0e7909052131d9582379b940094d3c7562007337ecd872c8e340a9e`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4755 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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