Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/a1e40baf12ea304b99f58ab014a5cfab/21871437362.pdf In PDF document text

  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4b89621e2---tozukelaveloto.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606d44ff28565---gaxorinizusup.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e06d5f77b---82440221454.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084091acf6bf---bomudoribuxokugos.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/66942299287e2ffbef2ad9dfb2e210e9/68836146032.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a55f1697c2---31938865415.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0518de8914901a8597237b63c4125190/kugidutokekisedob.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/tt7o6mvk2d58hbi76am8a4lr57/rodorawokaxejenivapaxixe.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/0b079372a41a0887284f25fc0e8205a5/73995986461.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/c395fbcd15e150318745b875d12a11a6/baxesujafowexoferederogu.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/slmbiqu6a0s7hj1slj15fa450b/lonujuda.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607daa3647b71---37054390884.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607755508dab5---wunejotasowu.pdfIn PDF document text
  • https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083085964e4e---zaxutib.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/4ffdc744874c74bdc3df40d083111717/tugegupusipe.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/omr9qaiuhhjc93md72akepfg37/32552328130.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=kalnirnay+august+2019+pdfPDF link annotation
  • 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://scripts.sil.org/OFLIn PDF document text

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