MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, suggesting it is designed to redirect users to potentially harmful websites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports that the PDF is part of a link farm on disposable hosting, commonly used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
Heuristics 6
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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 https://synerhu.ru/uplcv?utm_term=primary+structure+of+root PDF link annotation
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/kirabemogamezoge.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/xukanedogobo.pdfIn PDF document text
- https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/30797678784.pdfIn PDF document text
- http://hangnhatbanonline.com/upload/files/jexadezazegemapiwuli.pdfIn PDF document text
- https://inprovitargentina.com/ckfinder/userfiles/files/rogudonajeminajakubos.pdfIn PDF document text
- http://salman-is.com/userfiles/file/37729454519.pdfIn PDF document text
- http://oris-am.com/editor_up/13610138487.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/77625175808.pdfIn PDF document text
- https://glozor.com/userfiles/file/53885004501.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e7fd4e511---vajokike.pdfIn PDF document text
- http://studiospazioambiente.it/userfiles/files/gixitim.pdfIn PDF document text
- http://bharatandcompany.in/ckfinder/userfiles/files/guwerinezefetamomoki.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/67709565953.pdfIn PDF document text
- http://weorderfood.com/uploads/files/73823475411.pdfIn PDF document text
- http://studiochiodo.eu/userfiles/files/tosidubototunawiv.pdfIn PDF document text
- http://www.oomewatersport.nl/upload/files/zukagotetuwevuwip.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16131c64c39d18---73684335795.pdfIn PDF document text
- https://askisan.com/upload/ckfinder/files/5655816085.pdfIn PDF document text
- http://krukaiart.com/userfiles/files/vevewesilitonemap.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/niwokipuganenaruv.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/78333946185.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/vepezosofud.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109081932167087.pdfIn PDF document text
- http://longbienco.com/js/ckfinder/userfiles/files/26940245350.pdfIn PDF document text
- http://taxiluzern.ch/khurasan/userfiles/files/97836906928.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/23742961557.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15732 | 17824 bytes |
SHA-256: fc79b4c2031b623c9ad33dde6b8ffc7db3c119ea4f0631d1eeb7a7028840de10 |
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font_02_sfnt_off00018535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18535 | 10560 bytes |
SHA-256: fcd06489cc8fa7584cddcf2d4561f4de29f07c32ee2613725de8d0556647d175 |
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