MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic firings indicate the presence of external URIs and a link farm, suggesting the document's purpose is to redirect users to potentially malicious sites. The ML classifier and ClamAV detection further support its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.6503
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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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External URI info PDF_URIPDF contains an external URL action
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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://www.hzkontejnery.cz/ckfinder/userfiles/files/sunakoximaxevuw.pdf In PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/ede3da070b06d5ddab6ced1e1d475b0e/zifiraragisitisexanukuge.pdfIn PDF document text
- http://zensushialiso.com/uploads/files/32163220791.pdfIn PDF document text
- http://homeopathyhk.com/files/jezogejigifiwujidijes.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/69662287651.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/takeke.pdfIn PDF document text
- https://aksusu.com/upload/files/fasetetazuranazovi.pdfIn PDF document text
- http://sirindhorn.net/upload/File/moximit.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/6j60ihuc7febeusp67ec4svmln/50894544532.pdfIn PDF document text
- https://glycocalyx.nl/userfiles/image/file/1021298594.pdfIn PDF document text
- http://domusanna.it/userfiles/files/6514015230.pdfIn PDF document text
- http://taxplus.in/images/contentimages/files/54068908879.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/topegixuwogazu.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/legovubutufufezu.pdfIn PDF document text
- http://www.jobibon.com/admin/userfiles/file/86071397068.pdfIn PDF document text
- http://leylatoprak.com/userfiles/file/pifog.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/56386397291.pdfIn PDF document text
- http://nincity.de/inline/file/51411649745.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021091009504921663.pdfIn PDF document text
- http://yuha.be/_files/file/vurojikipinosineb.pdfIn PDF document text
- https://imad0c0.com/js/ckfinder/userfiles/files/10143689087.pdfIn PDF document text
- https://damiel.eu/userfiles/file/jututumozedo.pdfIn PDF document text
- https://h16hr15k-h19hr37urn.com/contents/files/17228323082.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=resident+evil+4+mobile+game+downloadPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE054 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF866 | 18144 bytes |
SHA-256: 8fca1950a1812faf1cb23e6f80e05322afb3f22a32971394d0f28865d2204f14 |
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