Malware Insights
The PDF document exhibits characteristics of malicious intent, including the presence of embedded JavaScript and XFA form elements, which are often used to obfuscate malicious code. ClamAV heuristics also flagged it as suspicious due to obfuscated objects. While the document body is largely unreadable, the embedded JavaScript stream (javascript_obj0012_000.js) is the primary indicator of malicious activity, likely serving to download and execute a secondary payload. The extracted URLs, though some are benign, are associated with the document's structure and could potentially be leveraged in an attack chain.
Heuristics 5
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ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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XFA form low PDF_XFAPDF uses XML Forms Architecture — can contain script logic
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Embedded URL info EMBEDDED_URLOne 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.js840b5e991d212ccd4189910eb3b3c0113179b70081572b294980c2dfdba70c7a |
pdf-javascript-stream | PDF /JS object 12 at offset 0xA1D8 | 3350 bytes |
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