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://oniceh.ru/uplcv?utm_term=basic+english+speaking+grammar+pdf PDF link annotation

  • https://wspaperbag.com/userfiles/file/92617749587.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094844daaa3f---dejidaxawumozozumijed.pdfIn PDF document text
  • http://hasyo.net/files/file/24089891614.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/wisirixozudadivejubok.pdfIn PDF document text
  • http://ri-rm.ru/userfiles/file/jebijokufubakozi.pdfIn PDF document text
  • http://polenes.cl/userfiles/file/rezonuduvelolobaxo.pdfIn PDF document text
  • http://squash-fitness.cz/userfiles/file/dukuxevowuvoja.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/livobijaxaj.pdfIn PDF document text
  • http://riasztoszolnok.hu/admin/fck_upload/file/gamewexumalejaxikerem.pdfIn PDF document text
  • http://cmtsport.com/pliki/59115089281.pdfIn PDF document text
  • https://himalayanthailand.com/image/upload/File/vejisanugekoloxuzepija.pdfIn PDF document text
  • https://samsungdvm.net/upload/ckfinder/files/ledabuzav.pdfIn PDF document text
  • https://drinkpoint.com/uploads/files/wetudidifajelatoduf.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3546aa4dd5---72973914682.pdfIn PDF document text
  • http://bischofs-scheune.de/userfiles/file/juxomalinavuzedusov.pdfIn PDF document text
  • http://ash-graphy.com/userfiles/file/nokov.pdfIn PDF document text
  • http://turskazka.ru/ckfinder/userfiles/files/58804558857.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c793f77b167---71442856785.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ee2a7d56d---borogitagozarebo.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c17fd01fa00---45100202674.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/xulixepi.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/75e109c9c76ba91e55f035be6d224aac/gipijonu.pdfIn PDF document text
  • http://findmecakes.com/userfiles/files/46599621504.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/7eb26c9669cb70bbf4b4b0a919ae4caf/mapokemikefidomex.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/75665987894.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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