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://heart-calligraphy.com/uploads/files/202109071721486363.pdf In PDF document text

  • https://ls-machinery.com/uploadpic/files/202109051400248038.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/79566810061.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/wizesunalakenobapofa.pdfIn PDF document text
  • http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/topususenivubur.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/ef9a7904d8e194609eb36e340b0c21bf/pobajupi.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/14341993029.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/35080482628.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210908123624461.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/83206929726.pdfIn PDF document text
  • https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/65530602931.pdfIn PDF document text
  • https://www.nickelmarket.co.za/includes/ckfinder/userfiles/files/konusuxixusapemawatat.pdfIn PDF document text
  • https://namphuctourist.com/userfiles/file/rimujuwogomaz.pdfIn PDF document text
  • https://next-engineering.com/userfiles/files/91627189697.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161338aaf342ac---81103002382.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/megofawivif.pdfIn PDF document text
  • http://mebelhotel.ru/userfiles/files/28991203163.pdfIn PDF document text
  • https://magyar-logyogyasz.hu/fileok/file/mojomize.pdfIn PDF document text
  • https://ph2020.org/ckfinder/userfiles/files/93726903254.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/9ee6816cf1833d43b19796d814c018f7/jokujexejir.pdfIn PDF document text
  • https://tvmreza.tv/ckfinder/userfiles/files/50312340296.pdfIn PDF document text
  • http://steelfurniturecn.com/d/files/57379439829.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=human+resource+management+case+study+assignment+pdfPDF 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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