PDF malware analysis — malicious · 44458c80cd1a544e

MALICIOUS

PDF

2.7 KB Created: 81 Authoring application: 3179

MD5: aaa44fcb3f5008c1bb3220813ea5fb03 SHA-1: 66e1bf12336a17c114358c0654142bdad9d448cb SHA-256: 44458c80cd1a544e8bf8752b194dbc558c4ec70b6998195ab90efeab3dc6f9a8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this as Pdf.Exploit.Agent-36014, suggesting it exploits known PDF vulnerabilities. The extracted JavaScript artifact shows signs of obfuscation, typical of malware attempting to hide its malicious actions, likely to download and execute a second-stage payload.

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` `50babfa13962d98f5fefc1c732bdb499fc5bb3f7ea5d153733fe0ad8299c8b7a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4762 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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