MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to obscure the true destination or leverage compromised infrastructure. The ML classifier and ClamAV detection further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/6tgr61fg54vk3rfsnc4gsl0tsl/karixozanewomuwinewufir.pdf In PDF document text
- https://go2germany.ru/files/file/94892607781.pdfIn PDF document text
- http://servmed.net/userfiles/file/55175419235.pdfIn PDF document text
- http://www.alcera.ca/userfiles/file/tiwixolikigi.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/abd63779d92475ec7b08cd5c6998dc27/zimexivipoguwavisor.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/45818575942.pdfIn PDF document text
- https://natatourism.com/userfiles/files/90280451123.pdfIn PDF document text
- http://techbis.pl/files/file/82058185726.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/desinowutarotobe.pdfIn PDF document text
- http://laptopplus.be/app/webroot/files/userfiles/files/65849358938.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/nbkievdn4kvmul32ei2hq09ct9/ripenunolitafir.pdfIn PDF document text
- http://wgadget.com/file_media/file_image/file/gibazobitoxurukawi.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713acd002af---fasiti.pdfIn PDF document text
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jilubepidowekina.pdfIn PDF document text
- http://tplustech.com/images/ckeditor/files/newejosidufekunimubukatit.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/18395612188b2c16f3eb95ca5697e089/tatobiguluvo.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613162e598b8b---sokulofutevilijosisogefu.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607474b694e4c---40663772107.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080fae1d8c18---56233453024.pdfIn PDF document text
- http://cabini.it/userfiles/files/viduxatagon.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/bn95cni3crdj6qc3n7hh9cqddp/wodebabunini.pdfIn PDF document text
- https://memoservicesrl.it/file/sulokiluw.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/qi6851gul4aikbvbhob6q6sll2/32136697824.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bda9e01a39d---36408121890.pdfIn PDF document text
- https://jaukiaplinka.lt/ckfinder/userfiles/files/9403606517.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=following+directions+worksheets+2nd+gradePDF link annotation
- 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_off0000e4bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCCF | 17800 bytes |
SHA-256: 1827f6a22401791ae41836b2d4905e9c77c58d4cac9f83fa2be4e5a7497e01a9 |
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font_02_sfnt_off00012aed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AED | 10924 bytes |
SHA-256: e172be81b207cb18ff3d23cb9a56e2a059f27f2f50df3acaa539b262db6a9b0a |
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