PDF malware analysis — malicious · 4f5940362313f36e

MALICIOUS

PDF

2.7 KB Created: 1835-01-01 Authoring application: 1845

MD5: 6450b43c88a03fd4418c7376f2a2dfd8 SHA-1: 5f97521ddae5376efe35ea00de783ca3e4bc8fce SHA-256: 4f5940362313f36e7c51a8a60592d828e690aaad09c5e17b0cee5bf4b2b34971

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The critical ClamAV heuristic identified the file as Pdf.Exploit.Agent-36014, indicating a known PDF exploit. Low-severity heuristics confirm the presence of embedded JavaScript, further supporting the exploit vector. The extracted JavaScript file, javascript_obj0013_001.js, likely contains obfuscated code designed to download and execute a secondary payload, though its exact function cannot be determined without deobfuscation. The file's metadata shows an unusually old creation date, which is common in exploit documents.

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` `02230bae0956196eaef4e045019c527904eedd8f1f8d0b89988a327f67f9ee69`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4809 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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