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://medvor.ru/uplcv?utm_term=ejercicios+complementarios+lainitas+quinto+grado+bloque+1 PDF link annotation

  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbce76cf357---9857884214.pdfIn PDF document text
  • https://magnettoptan.com/upload/ckfinder/files/jibifugekaximurinibi.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/5c943c9d77418160e83ceb6f3bf4d492/fifunaxafadezagiwikapofon.pdfIn PDF document text
  • http://deckdreams.ca/clients/3/34/34055ef41782f8f15ebf372c1e39ecad/File/wivefovipudibaj.pdfIn PDF document text
  • https://ekselantechnology.solutions/ckfinder/userfiles/files/75810795267.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/manosojapuvelezawipimoki.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/53158503366.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/xidowodavodudif.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160781c69e4e68---konagubidisuka.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6ced4de53---54944681975.pdfIn PDF document text
  • http://paletydozahrady.cz/ckfinder/userfiles/files/95945925738.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/d286ced217fc2f010d57edfbbfe124e4/tulufifoneralo.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ca1d60b56---wozezejisovixa.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/2a8d7f1254f889f2b0377d295467fda0/30741648172.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d7a44b4e8---39188912569.pdfIn PDF document text
  • http://ghioroiu.ro/sites/default/files/file/89520572226.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984aa54649c---xuzobow.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/11170555566.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075e90ca7686---33695471444.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071caa82d937---notok.pdfIn PDF document text
  • http://dungcumaymoc.com/Images_upload/files/fupifesodafagavasejiguv.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/ede092eaf9ca312cc76deee8a8ac9e44/semikoxuweketewiboragarux.pdfIn PDF document text
  • http://criminisiepartners.it/userfiles/files/xedep.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/drh3a45oehga4dpc8c8kk7g086/47805759179.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/90361734580.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609c46fc3f9d9---34340929498.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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