MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier strongly indicates maliciousness, and the presence of multiple external URIs supports a phishing or redirection attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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=how+to+get+duke+fishron+mount PDF link annotation
- http://shinex-auto.com/userfiles/file/31911507422.pdfIn PDF document text
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/zipegitotodutimamup.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614a29db7f430---74571232832.pdfIn PDF document text
- https://mamalight.net/business_school/uploads/file/28155716067.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4b54d8e46---70211962657.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/nepafigasepanolife.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/15033494181.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/pixoluratebiterus.pdfIn PDF document text
- http://thanhnienxp.com/vietkiendo/upload/file/bodudivimim.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/5b63fce7dcfc1575f8f2308a2fda2c74/68420294939.pdfIn PDF document text
- http://restavratorstvo.com/ckfinder/userfiles/files/29153888796.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/kisulogaduzu.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/lobuzasaji.pdfIn PDF document text
- http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/35727375921.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/7254805233.pdfIn PDF document text
- http://vipacademy.org/userfiles/file/65373760779.pdfIn PDF document text
- https://nepalonlineexam.tisaracademy.com/userfiles/files/34995865460.pdfIn PDF document text
- https://dongcohonda.com/userfiles/file/9954456095.pdfIn PDF document text
- https://namhunglogistic.vn/site/files/renet.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/38600775028.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/biziwemifazonilotanido.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142d57591ebf---vojogosivefonapamawum.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/27129125467.pdfIn PDF document text
- http://voyagerav.com/v15/Upload/file/2021104358481612.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_off0000dfac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAC | 19612 bytes |
SHA-256: 74388156187e078e124f740d46b973e4124415fdff9588854126ddd0847a4c67 |
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font_01_sfnt_off0001135a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1135A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B71 | 10864 bytes |
SHA-256: 870a157333fe902520898b30014e14762608d562d14ae84601c72ad2f2f76015 |
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