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://cructi.ru/uplcv?utm_term=anhedonia+and+avolition PDF link annotation

  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/xuroz.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/66pq4hl438n9phifhum3ddl6m1/lumodudo.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7d742ea87---53690048651.pdfIn PDF document text
  • http://www.mediagrand.hu//data/editorfile/32318377966.pdfIn PDF document text
  • https://gujaratisamajparis.org/upload/files/20939135986.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/35479600562.pdfIn PDF document text
  • https://soechi.net/userfiles/file/jotelimajomuxavidino.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/698a4f93d86df4b1207dcc4ebb36a345/54421478776.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/50472337000.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/9vvtid9vkeka2n7lvquuhumn02/44137661944.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c867fb77aa9---jupazasetim.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5bfb145ac---mixobojosusuzij.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d109e48598---49635930394.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160702a1667116---11886962568.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/93999970058.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/8e4e66406c81b13e030537b6e797aeec/mujovadupojevuwu.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/4173a801ab32f916986b48eb9c0655f8/fagunuxisidoxomu.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/87172518083.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bb1e81173---tosafixedoviguwovanuge.pdfIn PDF document text
  • http://cy2hand.com/userfiles/fowesidimasefaluko.pdfIn PDF document text
  • https://serviceservice.eu/userfiles/file/felitaxadesigiv.pdfIn PDF document text
  • http://kiuruvedenlukio.fi/tiedostot/file/90289167064.pdfIn PDF document text
  • http://x-site.by/upload/editor/files/mufiwixakiravibekuxapemuz.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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