Malware Insights
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to a link farm strategy, with many links hosted on compromised WordPress sites or disposable domains, suggesting an attempt to lure users to phishing or malware-hosting sites. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing content but containing structural elements indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9899
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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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://cructi.ru/uplcv?utm_term=taylor+lewan+and+josh+norman PDF link annotation
- http://precedent.by/_newsite/images_from_html_editor/file/37785461691.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a9718a01fa9---93537200027.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/fofibuvositaso.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9f2d0feb9---dikija.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/1f575b4523a310308a81a42f4b0562f8/vawabufifu.pdfIn PDF document text
- http://n-production.com/upload/fckeditor/file/tufufadezosarababewesut.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/30568375057.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/jilogodujaposuvozuromekig.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16085c730958a4---68416876783.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a7bb29b14b8---88986345022.pdfIn PDF document text
- http://vce34.ru/attachments/file/wezujosewunutatotasan.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/ug2v9j666d6bijhep8tmefgt62/korezagepijuwedu.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/19828108245.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/b9217aba644769f276b78264bb3662f1/xizilurutijamasokowuja.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a19b3034b72---75458572623.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cb3dde7ca---wexovutewoxubizawexixir.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae24582dd---joloxexifilaxevemidag.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f18538555c---wigipuxazasofemigubaloxe.pdfIn PDF document text
- http://kibbkw.com/uploads/files/21766047260.pdfIn PDF document text
- https://aquatrustfina.com/userfiles/file/zulizek.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/90582475427.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/721f42720fe3ba88c16d3cc19ab51be7/nowikefofogubodejisun.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/q2avsg2m4sq280ha12rgia58k1/nojigaxokofejojixapezimab.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/155fb3636c5ab1f67b6c7ffade92623b/wofojivafipokukujiren.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/67188591049.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/38e8c4nu479sv9d538aqlmhi62/fujumunopaduf.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608316af07bb8---48363569394.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_off0000f2b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B4 | 10616 bytes |
SHA-256: f0c30541cbee095b5c032e2aeac6a5befc4430d72878608812c98167a543bc3d |
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font_01_sfnt_off00010ae2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122F4 | 17912 bytes |
SHA-256: 6971eb6c2fbb36e64ed3e3726f1abcf2522cc6829f0603bc1f6dad4f7d06e870 |
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