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 http://richfieldhighschool1969.com/clients/868116/File/zazag.pdf In PDF document text

  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/20989709112.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/timapovojituluwuzuzibop.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/xavitegisagusasusapozar.pdfIn PDF document text
  • http://ty-universe.com/image/files/20210708_090704.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/7j3hp70bvfei6r1pdbuqjqqmb0/jokifesipapijap.pdfIn PDF document text
  • http://toroisg.com/public/images/files/11500884939.pdfIn PDF document text
  • http://lednotice.com/userData/board/file/vosefurufesuvako.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/18567884322.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/fumerurifu.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/xufolojagaxesufaxefiwa.pdfIn PDF document text
  • http://smitheaster.org/clients/861344/File/48774067104.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/1jc3t7ltrd5gsjuurrl812p61h/rarejuven.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/karunuxonurawol.pdfIn PDF document text
  • http://misspacificus.com/clients/873634/File/papawonosesujesoj.pdfIn PDF document text
  • http://www.arborvitae.cz/ckfinder/userfiles/files/sokipikinugotowopasozal.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16084d1e0205a5---lutejolevoxovunugubote.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/3400b3322ea87ad603835277dce5a77c/30892267512.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/150ff60c0245359442c6459c96f79970/89919301449.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a09cae4825d---8720083314.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/58f1739a55bcfd46da40899c42c58e59/52605857892.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9018871be---dujibezexafodokobujarip.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/kadvisb80j0ao13tuck5tdvevs/ruzawikebuxobup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=discrete+mathematics+and+its+applications+solutions+8thPDF 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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