PDF malware analysis — malicious · 566da14a41c45cf0

MALICIOUS

PDF

6.2 KB

MD5: 645387b0496ced1b5dbb8756a2f4e18c SHA-1: 07c6c82dba8ad95b3d1d0910ad2d70d02f51d943 SHA-256: 566da14a41c45cf0d5ea546090fe041f9b6018e0528693d0c32e1c4dc0cb3e47

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1559.002 Component Object Model Hijacking

The PDF file exhibits multiple indicators of malicious intent, including embedded JavaScript and RichMedia (Flash) content. A ClamAV heuristic specifically flags it as obfuscated malware. The embedded artifact 'javascript_obj0006_000.js' and the presence of Flash content suggest an attempt to execute arbitrary code or exploit vulnerabilities. The reconstructed string 'GyCaforo.swf' is also identified as an embedded artifact.

Heuristics 6

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
RichMedia (Flash) high PDF_RICHMEDIA

PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `3c07341efcd2a9d53b6d211b402fc03412f00b386f852b25c9f4f8252950364f`	pdf-javascript-stream	PDF /JS object 6 at offset 0x154	4126 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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