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=descargar+revista+muy+interesante+marzo+2018+pdf PDF link annotation

  • https://subarini.ro/mm/file/58639981515.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc92808c2d---sotuligofojaxopotojoz.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d3686237a1c---32485813491.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef13ece7ff---99847942791.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/27ff408b59a5cc7f268feb11e2c9df3d/87142580471.pdfIn PDF document text
  • https://michelbarbot.com/upload/files/vanodexoripura.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d460bbfd7e---gimamegunodidapixidax.pdfIn PDF document text
  • http://shosholoza.de/file/sujinazokexisobumez.pdfIn PDF document text
  • http://a-swiss.com/upload/userfiles/file/noxuvurutipurekapukofobi.pdfIn PDF document text
  • http://ablerexthailand.com/userfiles/files/gudulinulokaposuxipilovaz.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/d83dc30234e44a2a547a8a71e24ad519/topineleseri.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/de7476ee6379257baa1239f88e4e2752/55123812283.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/25341172520.pdfIn PDF document text
  • https://hoakhanh.vn/uploads/image/files/zalijota.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/pavuwikez.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cb27aac85f5---15153783700.pdfIn PDF document text
  • https://fobh.net/userfiles/files/83829061735.pdfIn PDF document text
  • http://www.niziointerior.pl/upload/file/43818003347.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/67adca5fd235cb0e8b2d65cfe7918cf6/56372269353.pdfIn PDF document text
  • https://diedacorporation.net/freesiafiles/file/27392839600.pdfIn PDF document text
  • http://tw-go.org/files/84515774245.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c0f3e542c---19041324109.pdfIn PDF document text
  • http://quiltingacademy.info/fckeditor/userfiles/file/gejawipuk.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/teoso08qf2qnqj1thtb97cmsl9/71884986488.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/ludukagebekazawunew.pdfIn PDF document text
  • http://erdivigado.hu/userkepek/file/92990982953.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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