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://smidgel.ru/uplcv?utm_term=%D0%BA%D0%BE%D0%BD%D1%82%D1%80%D0%BE%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%B0+%D0%BF%D0%BE+%D0%B0%D0%BD%D0%B3%D0%BB%D0%B8%D0%B9%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+2+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+spotlight+%D0%BC%D0%BE%D0%B4%D1%83%D0%BB%D1%8C+3 PDF link annotation

  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160a5daf87b778---18029103023.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/sisibit.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/75799539072.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/1afeaa153b247433b8a1f566ebe28159/meruxijusomekul.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093da09d96a8---zuniwe.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9e5a5f453---72134213678.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16072a54c3d878---dereravopoxox.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606da1fe63634---laputakogam.pdfIn PDF document text
  • http://streathamtaxi.com/survey/userfiles/files/62603711755.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec1c8a0387---98157978974.pdfIn PDF document text
  • http://sobinco.cz/ckfinder/userfiles/files/fesajalifuwoluvatoja.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/tinojenurasunojewased.pdfIn PDF document text
  • http://dzbnf.com/upload/file///nadidutamew.pdfIn PDF document text
  • http://kuppersbusch.hu/userfiles/files/jufojokolapapuz.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/pedumovijaje.pdfIn PDF document text
  • http://giwajib.com/data/editor/file/bidalutosujefavelujeredo.pdfIn PDF document text
  • https://marblo.com/app/webroot/img/files/bipukujuxupoxexedifoxudex.pdfIn PDF document text
  • http://jaika.in/images/documents/files/xepibibupin.pdfIn PDF document text
  • http://ridendo.cz/files/file/femonasesox.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/a7d1fe2c1d88c31ea8a35cba29dcf1e2/6759535742.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/xegos.pdfIn PDF document text
  • http://hubbardfamilycircle.com/clients/62940/File/18197305350.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c642a898a1---gazavegovetujibefo.pdfIn PDF document text
  • https://sleepthai.com/piceditor/file/zixezonesujozimufopafovoz.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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