PDF malware analysis — malicious · 97f198552c5064ab

MALICIOUS

PDF

2.7 KB Created: 1367-01-01 Authoring application: 1357

MD5: 8c0c689fb67e3030eb02629110f2b07b SHA-1: a5c23f3b96be7f48a6f563665e175a4052efad85 SHA-256: 97f198552c5064abcd5c5d35944ef6279f9d34d0fa67855ce1e6bbfc1a192b40

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a known exploit. The extracted JavaScript file exhibits obfuscation, typical of malware attempting to hide its malicious actions, which likely involve exploiting a PDF vulnerability to download and execute a secondary 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` `bce55fa518070d5866c6a36984bdd4518a57ea58e3ffd657bf415bac03d12353`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4775 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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