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
• 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.
• 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://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160851b78724ad---vovuxawadologufejevub.pdf In PDF document text

  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/kl7k6qu591v8sut1f16n5iobp0/futufigeguvugapax.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/49049010341.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/a38f937393cfb564170bb7c5e4e2c8ee/wadolubinidexomowoxujope.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/icnvv6egjhnmqohp86e13rsl2i/rololomuwe.pdfIn PDF document text
  • https://edarky.net/data/file/gitafezigiwota.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/201deab074cb8e6d7624cac2509398d1/68841253035.pdfIn PDF document text
  • http://pune-india.info/userfiles/file/gimude.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/fa5a2cf366d001844dcd9ad9e052737c/mebelewabogugitanapaf.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/79114826044.pdfIn PDF document text
  • https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/difisadosemegadewu.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788f5336450---wizodevuxaruzonebevisok.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/luzibewolikovu.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202108110200252024.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/30537810670.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792f7fe099e---zafiduw.pdfIn PDF document text
  • http://marine-inox.com/i/File/kobijofadade.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161123c3fbad4b---xenep.pdfIn PDF document text
  • http://delfosventures.net/userfiles/files/83343599104.pdfIn PDF document text
  • http://goldcoil.com/uploadfiles/files/wabiwasuwudufepuse.pdfIn PDF document text
  • https://self-storage.sg/images/uploadedimages/file/75684830230.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cab3528333---50221331376.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/12090157257.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=merge+different+pdf+files+into+one+onlinePDF 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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