MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or are hosted on disposable domains, indicating a link farm designed for SEO manipulation. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
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 http://duancanhotot.com/upload/files/pelefurazixokaza.pdf In PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b8d275022---57732549759.pdfIn PDF document text
- http://royalwedding.jp/images/blog//file/99324474671.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/71246764297.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e8f54cea0---nukurifesozemox.pdfIn PDF document text
- http://tplustech.com/images/ckeditor/files/devepifosolobarotolimamim.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/kaxanoviropotibenakala.pdfIn PDF document text
- http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/ropuvupamiruxinu.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076fbfd39879---36913370650.pdfIn PDF document text
- http://kedehg.com/ckfinder/userfiles/files/29038284369.pdfIn PDF document text
- https://premiersuli.hu/files/files/barumisesobajatekizazoxip.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/nunedosuruxavizakixawowed.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/pogopudananoxuwasifuja.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078dfce74a5e---73058868611.pdfIn PDF document text
- http://sharise.net/Uploadfiles/files/24591411884.pdfIn PDF document text
- http://ghhs1968.com/clients/5/57/5762190d0a265df614d1f295a7060a42/File/mexewotuzerok.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/dasozufexaninenaguwaki.pdfIn PDF document text
- http://hpmcfamilyreunion1968.com/clients/83891/File/nopefofilidokabulupep.pdfIn PDF document text
- https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/98ce0c7bb7db3b80c74153d24ddc3393/sixekejibugafu.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/zibojoxalumowibefolelu.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095fcf8cbead---tafixosoz.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/27b5184c24b0bd667ec0896e11505a9f/fuwosagaguve.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/21782082618.pdfIn PDF document text
- http://omegapizza.net/uploads/files/fajanezasosowuja.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/43344763491.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/37735501664.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=best+pll+algorithms+pdfPDF 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_off0000ee8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A6 | 10892 bytes |
SHA-256: 71b998d86cc0b3a61d04eba4fc195fe3dbf8b891f96bc53cf4cdc9405b13fbbb |
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font_02_sfnt_off00011faa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FAA | 18688 bytes |
SHA-256: 2021029fe9cadbedfb98abc113a9e0088879db89d2f37ec0fef602f2869fba8c |
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