MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URIs supports a malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the structure suggests a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://crysiq.ru/uplcv?utm_term=rule+35+discovery PDF link annotation
- http://ylplj.com/ckfinder/userfiles/files/88939973272.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a90d7773d1f---rilade.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/91441173185.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/mevuvidejosoguj.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/19031292561.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b861f4d527---foriwefebivorinorig.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16129c00d115fc---22320587659.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/76806783639.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/37adfb7c431395ad30d02720710fd48a/57208675128.pdfIn PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/23718153541.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/a4a4664e3d317685a9bb9174df9f66fe/rijibufikegudubuzafisim.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/f71baf189fb32f88e70b139522964360/45323106562.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/1660fcb2f992f426d0c603c96a0517f2/dasumafegaxifejubijawas.pdfIn PDF document text
- http://abwbaltimore.com/uploads/files/85946624774.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/nutasulojeraruvebeno.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/nuvupokixosapaxez.pdfIn PDF document text
- http://vksraja.in/fckeditor/upload/file/73156466700.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/33604364253.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160800a6fbdf71---27388141957.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/6126e1933f4a0623c93cbf1fc7271b23/90800269963.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/n62i5di2v80c8rkaufo1523j90/8444870678.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c38c0d69ae1---tituzolovipunasedop.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ktm5kgsk82pftcii6je0ib3b34/95819372860.pdfIn PDF document text
- http://s292376414.onlinehome.fr/datas/imgmail/file/bujumukevageborixet.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_off0000e559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE559 | 16184 bytes |
SHA-256: c0bc834294894f94dc1e7b980b057370751b1d10be7a5f5b41fa7d809816e5e0 |
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font_01_sfnt_off00010eb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CD | 10632 bytes |
SHA-256: 9ebdd5160d1da58c0ad5f0dbdc2d52d5d8d4f45b81407f9c65ca0b5506b05f3e |
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