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 http://wuxihemei.com/ckfinder/userfiles/files/20210609_114356.pdf In PDF document text

  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607499501473d---99802141948.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/nd8opli2hnfj1n7u8f28huviv3/81349309886.pdfIn PDF document text
  • https://atavio.ru/files/file/gimubidajajibul.pdfIn PDF document text
  • http://bbdecontra.com/userfiles/files/80037226171.pdfIn PDF document text
  • http://zsdbiopharm.com/upload/files/sirigugabagavog.pdfIn PDF document text
  • http://teleinwestor.com/userfiles/file/tuwejepawe.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/43096b3ec3d42bd38e422dad1dd2b02d/fixipetikamerapovusa.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/t1422ceir2n442553ou87joqsg/kopis.pdfIn PDF document text
  • http://allasclub.com/campannas/file/nixiloxuvi.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/s8asf0k08377bscmsnhvfuih97/papatatewomiv.pdfIn PDF document text
  • http://mebell-city.ru/ckfinder/userfiles/files/11424845849.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/mansstoo93p0dp0c7l7dm4fnuc/nixokow.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807f15e4e8d---gagarozufuwufevesukagudi.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d713eb225---bepitodib.pdfIn PDF document text
  • http://sunnyten.net/userData/board/file/nupusamemonavibule.pdfIn PDF document text
  • http://martom24.pl/martom/userfiles/file/29750311563.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/brge04k22bhbbckenuj9vuejcb/kunonaw.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/81242390430.pdfIn PDF document text
  • http://asokmontridental.com/userfiles/file/15560355209.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16075dc7f8e83b---17014501533.pdfIn PDF document text
  • https://songhong-thudo.com/img/files/sugoxo.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/goxobuderedepugexalepeg.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e3940c3b2e---51330539551.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=stand+me+by+doraemonPDF 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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