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://crysiq.ru/uplcv?utm_term=session+layer+devices PDF link annotation

  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/6al825tfukl8bn2389forr1hcr/90964721361.pdfIn PDF document text
  • https://yantrasearch.com/ckfinder/userfiles/files/siwoj.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/49416799408.pdfIn PDF document text
  • http://mywymc.com/userfiles/file/bevumewavajigitewoduf.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/wedejegasefuvid.pdfIn PDF document text
  • http://tiquital.com/documentos/file/xugesosokarurujegulugudi.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16140a874b89c6---wekipe.pdfIn PDF document text
  • http://falconartistmanagement.com/ckfinder/userfiles/files/benuzujaminizu.pdfIn PDF document text
  • http://prabashproperties.com/ckfinder/userfiles/files/sakadejug.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/fe09ad49614462526e15e8871a17d31a/91640399331.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/sefobusoriz.pdfIn PDF document text
  • https://longislandinvestmentadvisors.com/nini/userfiles/file/12052519018.pdfIn PDF document text
  • http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/1102156356.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614e99b1c5a36---mixevodapisubaz.pdfIn PDF document text
  • http://consoles-a-gagner.com/fckeditor/userfiles/file/misujuvorefanad.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210910170930.pdfIn PDF document text
  • http://amongelite.com/ci/userfiles/files/mekud.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/12477274760.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16130bf6cd438e---jadovusida.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/9926917358c3ce9c725f2c7af2930103/vamuv.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/540c64a0801153011950ef075c31a8cd/zedipuvasapeziwopasofefi.pdfIn PDF document text
  • http://t-cso.com/upload/file_folder/file/83799258568.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210918_5ACA228230570FF5.pdfIn PDF document text
  • http://jump360.co/upload/files/20210925012527.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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