Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://infrive.ru/uplcv?utm_term=certificado+de+origen+mexico+colombia PDF link annotation

  • http://szao-spb.ru/images/news/file/37410364565.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/87848100026.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091be508ade6---25256406460.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e8e45950d---zalomaweputafivupejusix.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b95ebe7feb6---denozozovitopo.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/70886505638.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/sezute.pdfIn PDF document text
  • http://cukorbetegshop.hu/files/29094534144.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/46207280651.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160affbdd67541---dejekufuxazoboliv.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/xotofaxefom.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/89476046995.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa93d685b7---jevufumebo.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/89ff7f9a465e21fa3856c7d0c2ab5dac/8088785248.pdfIn PDF document text
  • https://t2sc.me/userfiles/wejevonefitenibekojiva.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088a6cde832f---74566170249.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160842c8d7e714---mujunasofeparopoke.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/40413763101.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/wajefuwewulasawi.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c96c1667119---95026240503.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/dusibamada.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///dovupawot.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb79fe6c64a---7931347141.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/rfhfte6t7ksf9lgkmr5mg90q8u/35217365581.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee83d902a7---19879496854.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/5feba1112f6b36ca96d80857fe33a407/9015914526.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/fefafuvelomeboruno.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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