Malicious PDF — malware analysis report

Heuristics 5

• 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://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a512def654---tubopufakak.pdf In PDF document text

  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16079dc8cb4f77---jetiva.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/sutepilasojexobiduzu.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b26f9d7eafc---26882943837.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/116a5bc9152b76b9bbe22aaae67d0571/rolowidizexefepodaruneru.pdfIn PDF document text
  • http://creptiles.dk/userfiles/file/rinurazowutar.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607524863bfd1---99453154676.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/1fa27fd646b701500a41b53e5e766e19/5654830165.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1251dc537---5549662494.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607709fee963e---833479464.pdfIn PDF document text
  • http://timavoshipsupply.it/userfiles/file/serakunaxepimekix.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/156p2vtv0g23aka3pv12gu34n3/jazenejetu.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/585447122c74b5410c9803dc5e04008f/nizil.pdfIn PDF document text
  • http://maxbrio.kr/files/files/94740418703.pdfIn PDF document text
  • http://hladonural.ru/upload_picture/61278950903.pdfIn PDF document text
  • https://tedvandergulik.nl/userimages/file/15764024109.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/97606114135.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a44059c85ca---bavuruzolufumowenukerufid.pdfIn PDF document text
  • http://resheto.ru/users_images//fck/file/noronemivipufomiromodusoz.pdfIn PDF document text
  • http://tensoinox.com/userfiles/files/buguposajul.pdfIn PDF document text
  • https://gemwares.com/userfiles/file/69659296764.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160717117aab65---tidetemolegiv.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d77cdcf0c1b---56390843675.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/dedfcf5f88da0dbf40a4b24563848ac5/74904471160.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=pharmacognosy+and+phytochemistry+ii+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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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