PDF malware analysis — malicious · 811c3b247ba42c7a

MALICIOUS

PDF

2.7 KB Created: 8844-01-01 Authoring application: 6110

MD5: 541a1233f73a75f9bd96e1d0acbe47c6 SHA-1: 6812ec52ec74ce75f132331e3e29d6cfc7b77cfd SHA-256: 811c3b247ba42c7aeb09d1bdec576816f6bfb03c33cd14769398828d2cd55215

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as 'Pdf.Exploit.Agent-36014', suggesting it exploits a known PDF vulnerability. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, typical of malware attempting to hide its malicious actions. The primary function of the script appears to be the execution of a second-stage payload, though the exact nature is obscured.

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` `ef4c17f216448a43b2e8ffce7dfba767c509cee724fb34408e9e21016c38dd91`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4816 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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