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 CMS uploads and disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of link farming. The ML classifier strongly suggests malicious intent, likely to redirect users to malicious sites or for SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://nomylo.ru/uplcv?utm_term=mhd+power+generation+seminar+report+pdf PDF link annotation
- https://rzfmuhasebe.com/userfiles/file/35195077788.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160fdc2d9deec2---89397261424.pdfIn PDF document text
- http://oskarmak.com/userfiles/file/73352262105.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/50254269216.pdfIn PDF document text
- http://cloverdiamond.com/file/xedizedologisakun.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/zakowukibikutajidepax.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d22bbf8f794---magovurujurepel.pdfIn PDF document text
- http://jsdarvin.com/files/2571120701.pdfIn PDF document text
- https://bloc-immo.com/images/tadokojolekumutixoba.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/19909127270.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db236621cc---55272344060.pdfIn PDF document text
- http://araonline.hu/uploads/file/sasatovovisugoji.pdfIn PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d5ea07c2e---vowedosemugudewogixi.pdfIn PDF document text
- http://614move.com/clients/4890/File/rubufutuz.pdfIn PDF document text
- http://debten.net/UserFiles/File/21284753876.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/9120d15bec47dbd5b85e51ad20e44fe7/66064266242.pdfIn PDF document text
- http://iranjobex.com/cache/fck_files/file/bidimujatiwuxadakapawuw.pdfIn PDF document text
- http://nextgenship.net/upload/file/20210723162704428342.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cacef5370cd---fexelekegegodiwozuzuf.pdfIn PDF document text
- http://abwbaltimore.com/uploads/files/tawanadelovumogoxobitete.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/xozededoxemugebuza.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/pizozofi.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/10092538737.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_off0000d902.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD902 | 17220 bytes |
SHA-256: 3c54be686cf139c38e3609b8e91120df39076d6550b1f8050fb98712bfd3d6f2 |
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font_01_sfnt_off000105d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011dea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DEA | 10980 bytes |
SHA-256: 0e375f0e016d5dfc7051758b9a0a2361c8ea57ab1da53ae7c9bdee91b67e02f9 |
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