PDF malware analysis — malicious · c8ad4128b624eacf

MALICIOUS

PDF

2.7 KB Created: 4015-01-01 Authoring application: 735

MD5: 385181d3985b34794360aceb4c3c0066 SHA-1: b82c2a208c6db43db1133a50c0c1c847beb424cd SHA-256: c8ad4128b624eacfa7c2f862773e20b2083786b45446959d1d5dd9447b527d00

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36014, indicating a known exploit. Static analysis revealed embedded JavaScript, which is often used in PDF exploits to download and execute further malicious content. The JavaScript stream itself shows signs of obfuscation, typical of malware attempting to evade detection. The presence of JavaScript actions and embedded JS streams strongly suggests an exploit attempt.

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` `ec4ca9a14884944d887bd749b2f6ca60414fcd0a28a2cbf5a09bc36f45c28b89`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4812 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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