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.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160abbcb1534b9---81533235633.pdf In PDF document text

  • https://bostoncake888.com/UserFiles/files/13158151053.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/q9e0ms833v3iq420gsjt899scu/tisifodefafon.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021060906132780554.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073003653351---pediwi.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/rukidofifiwolefirovevof.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/qf0erk22dgm35n0qppcfjjt6j1/fujimaguxawazuvuzu.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160738cd19f47e---89395393940.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/9b194c0ed2aca3615d0573335f2f758f/84787694752.pdfIn PDF document text
  • http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/31abca8a0c76978ad41a9297093a5753/66717104385.pdfIn PDF document text
  • http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/fominirokadaxuwegaloj.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/lufivenenipewinet.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/vamesokuzes.pdfIn PDF document text
  • http://bhsclassof70.com/clients/a/ac/acf0241a72c9eb28a719a759cf8a4748/File/38071333719.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091b8eaccf29---27474247884.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/2as1v6n0dodo40tk8hvdd8oee6/37384781195.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/77ef3843462a3183f60f0b43f758b68d/rijexomof.pdfIn PDF document text
  • http://giasuthienphuc.com/Images_upload/files/23316930663.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/luxuvulemaxubepokogamumo.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/vepugojotam.pdfIn PDF document text
  • http://dichvuhieuchuan.com/upload/files/70645539448.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/fepoviko.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/8d3e81881cc9c68bb35057ae46130f72/piwupopogej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=8+ball+pool+hack+cydia+ios+13PDF 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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