Malicious PDF — malware analysis report

Heuristics 7

• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://ntc-container.com/upload/files/jokekovebenogumomofup.pdf In PDF document text

  • http://homeopathyhongkong.org/files/8901991718.pdfIn PDF document text
  • http://state-lithium.com/upload/files/bomidogoramimego.pdfIn PDF document text
  • http://elvirajogsi.hu/ckfinder/userfiles/files/43425654650.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161358990ed480---96806204170.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec5f02462e---soniriwugofipefo.pdfIn PDF document text
  • http://indecomavo.pl/userimg/inc/juniwuvuju.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/4ffa78d37932a4d1dda611f5bd45435f/72675385071.pdfIn PDF document text
  • http://rheinmotel.com/userfiles/file/63101377078.pdfIn PDF document text
  • http://dogalakustik.com/depo/sayfaresim/file/90699801182.pdfIn PDF document text
  • https://caror.hu/ckfinder/userfiles/files/81150567157.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/48616864867.pdfIn PDF document text
  • https://granitnet.hu/editor_up/19457425860.pdfIn PDF document text
  • http://gps-ambroisie.com/ressource/site-image/files/64081951535.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/ruton.pdfIn PDF document text
  • http://ranjitabiswas.com/userfiles/files/71214713844.pdfIn PDF document text
  • http://bluebossa.pl/files/file/fifogodomubizadu.pdfIn PDF document text
  • http://brilliantsolarpaneling.com/userfiles/file/68799562697.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/nogunapewudoguxuv.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/83456204470.pdfIn PDF document text
  • https://lotte-ppta.net/beta/assets/file/66579108163.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613097a773ae8---vudedaratofarigoxure.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/92655452.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=king%27s+avatar+episode+1+eng+subPDF 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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