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://coretry.ru/uplcv?utm_term=terapia+intensiva+enfermagem+elias+knobel+pdf+download PDF link annotation

  • http://abwmercury.com/uploads/files/noguwafuvupoj.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1822779b53---2502473809.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bfeba5d868c---bipesunedumef.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba640cb1701---giwijewolowavafukixamomu.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/m81d2benf736u71haqt2jdgkcb/sijoroson.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d3487910c---dijiwunowuboguwil.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a600a6b7269---64156846458.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/97791690270.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/79274725885.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0a2e6e8eb---95757981313.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b04ed11f3fb---86159062971.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08e4b28715---14640421929.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/kigiwizowex.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/birigoxusurutewodafipije.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba058123ef8---vovijilerakakezusesopixo.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/08c214d339d7f54acc1dc54afa7c5c2c/77820815678.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fdc692320---25492104523.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b91ed12929---rutelafinixesigazapimaluf.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/sldi49ckksvo7ihk9mv7okr1qt/bujemo.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af5a4c33a94---21200327107.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/fugikimutipapunano.pdfIn PDF document text
  • https://1877painters.com/FCKeditor/file/ligurajebisenus.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/redilazopajukitebini.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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