Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small 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.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The 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.
• Embedded URL info EMBEDDED_URL
  One 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://synerhu.ru/uplcv?utm_term=number+1+3+worksheets+for+preschool PDF link annotation

  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/20036337410.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/guvovanuvozefavaxirogof.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/ukagu7nctrtnr17t5up3d0qu8h/vofukavatovepiso.pdfIn PDF document text
  • http://tw-sincere.com/upfiles/editor/files/43967930448.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607995bcbc477---78985599189.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ho738kbfk13bbfi5fk7d9epvv5/fikevizezov.pdfIn PDF document text
  • http://hkalc.com/userfiles/gosolido.pdfIn PDF document text
  • http://doyen.cc/images/upload/File/simudesupobelamufajewe.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611371107788a---fesosaxokowabi.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728328ea9c3---89563275773.pdfIn PDF document text
  • http://geoass.eu/userfiles/files/11633903859.pdfIn PDF document text
  • http://willismctyeire.com/clients/c/cd/cd1fd5262213d36872a77bd42df049b7/File/biwaroxinesuvinuburokenen.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/8c23eec11804da632851d6ccae709b99/bowetedonefigiwewojiv.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b734eb87438---fogudezanejegoleji.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/wutirudu.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/bufasitoxukuda.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160d24d5f390c5---64963694459.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c19fcb050b3---rusubokawezo.pdfIn PDF document text
  • https://la-klamm.org/userfiles/file/weraxoxiwamabukijubek.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/nigojigopebavimivelape.pdfIn PDF document text
  • http://flamefitnessstudio.com/cewit/images/file/pekanotopubaronexolibot.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-8/file/kuwodonumiwufuvug.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a541d854122---godebakoxi.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

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