Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://synerhu.ru/uplcv?utm_term=odia+language+for+android PDF link annotation

  • http://sevimticaret.net/userfiles/file/18242697771.pdfIn PDF document text
  • https://avistravel.ro/userfiles/file/13708353529.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/fivosurigijuv.pdfIn PDF document text
  • http://e-sheremet.com/img/jomuze.pdfIn PDF document text
  • https://searchlink.org/userfiles/file/75022962624.pdfIn PDF document text
  • http://aloeverajuice.cz/files/file/jobokuxalejife.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/11902124981.pdfIn PDF document text
  • https://coffotea.com/uploads/files/202109181515545859.pdfIn PDF document text
  • https://ms1oke.com/contents/files/9051287894.pdfIn PDF document text
  • http://azseal.net/uploads/userfiles/file/zupemakirisapimep.pdfIn PDF document text
  • https://wonkingchina.com/d/files/21105221161.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136fdb999e04---fuwapoxavud.pdfIn PDF document text
  • http://indemo.pl/Image/files/8437279977.pdfIn PDF document text
  • http://wakabaeducation.com/userfiles/file/mavufub.pdfIn PDF document text
  • http://ewhamd.net/upFiles/ckeditor/files/10438866394.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/73229400506.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/biwawuxovu.pdfIn PDF document text
  • http://vagyonvedelemszolnok.hu/admin/fck_upload/file/92175906837.pdfIn PDF document text
  • http://poaglasses.com/uploads/files/202109111243086509.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/aaprqn1p3lkmhgn0588anqmc4e/komisizusobaxux.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161393b036d6d7---56125059430.pdfIn PDF document text
  • https://tomorrowhubs.com/upload/users/files/muwovuzinuvoge.pdfIn PDF document text
  • http://satakantaresort.com/user_img/files/xanezovakova.pdfIn PDF document text
  • http://bakoca.hu/files/file/fobuvajijuwevalutuni.pdfIn PDF document text
  • https://abcoegypt.com/userfiles/files/82358587675.pdfIn PDF document text
  • http://kqcme.yiaiwang.com.cn/upload/files/12643227267.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/poziveniw.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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