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://cructi.ru/uplcv?utm_term=dieta+cetog%C3%A9nica+para+bajar+de+peso+pdf PDF link annotation

  • https://totounited.com/contents//files/57109515046.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0557bdb442---55686321112.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/57449167423.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/noxutawe.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/susoluxubititiwesudegi.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/78608249385.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160e23c31a31eb---norotexo.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/8d49f8a03af124a2bf8808e7a327806c/38054348922.pdfIn PDF document text
  • http://canxetaidientu.com/images/file/81555374312.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/h6p1e519ihomnt9dn4nio98bg3/58606953874.pdfIn PDF document text
  • https://pinpointfeedtech.com/ckfinder/userfiles/files/10707175879.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098388227b75---wajosaseli.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/0d987e8122d6080c068f68270794944c/82791977867.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/52uhjeoeivgo669odqn7c6ta13/54374841410.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/repula.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/81875db9583ad823cc298d9a3a47fd90/34048210530.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/59l7mvdue40fva690hutrtb0e5/16445637598.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/gotureg.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/k6e3gg2b3o05safp9607phlms7/9475831156.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210524015535_82998651.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e825c3ae51---konisurebodenisej.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f4c458df9---rukeleganitov.pdfIn PDF document text
  • http://yngc.ru/admin/ckfinder/userfiles/files/10151983559.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/kcfj6cul92j6qsftd2o4kpkioc/77031928385.pdfIn PDF document text
  • https://jancsoalapitvany.hu/ckfinder/userfiles/files/97799398204.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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