PDF malware analysis — malicious · 2f71dd422a470f68

MALICIOUS

PDF

45.1 KB

MD5: 8372bc776c5f90c9d819d7076a78c41f SHA-1: c71d3ada107a9718736cf1bfa37209fb7876cc8a SHA-256: 2f71dd422a470f689b9b65ecdc97299f08bbd646ab29fd6afd67b93b08ec23a2

84 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection for Heuristics.PDF.ObfuscatedNameObject further suggests malicious intent. The embedded JavaScript stream, named 'javascript_obj0012_000.js', is likely responsible for executing the malicious payload. The document body is heavily obfuscated and does not provide clear textual clues about the attack's purpose.

Heuristics 5

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xci/2.6/
- http://www.xfa.org/schema/xfa-template/2.6/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_000.js` `8bddbc989e824e6ad57cb84c04b60557f161abacba793420c189a62dc5ff5bfe`	pdf-javascript-stream	PDF /JS object 12 at offset 0xA1F8	3596 bytes

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