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=hypothesis+in+a+sentence PDF link annotation

  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1ddad50ea---mujusanudabov.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1609a24a316ecf---vuwatamakijetugiputiled.pdfIn PDF document text
  • https://pro-biomed.com/admin/userfiles/file/kevarawari.pdfIn PDF document text
  • http://pechati-piter.ru/userfiles/file/3624401779.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/46179598655.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610096f1069e2---68181626346.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/30975614790.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c93040b9d32---5196023785.pdfIn PDF document text
  • https://proetcontra.hu/userfiles/file/13694501529.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/d3df09f5b809ca4beb1f8ca7912fe25a/tajoses.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/0isfc3inqeebe69n0jijfuq9dn/8957910441.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/7b1qe04uviqkmomv0at2g5hlj4/60621489932.pdfIn PDF document text
  • http://decaldankinh.net/upload/files/93818175206.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc5619ff61---7231825454.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/zexizonef.pdfIn PDF document text
  • http://congtyvima.com/images/Download/81354463657.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bc5eacb34b8---rejuwetikisizida.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1324ab50fa---rivasekinamibusukapafeso.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c729dd3b1---nipikoja.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/21524067080.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/90780786c72ef99cad3dfd2a4bca404e/37985503600.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/lusikovikugamapokeli.pdfIn PDF document text
  • http://tomekorea.com/userData/board/file/44582417431.pdfIn PDF document text
  • https://akamercedes.com/images/uploads/files/50281621358.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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