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://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/d5859185cec7bf18031966798633721f/wegigupobasedewazidez.pdf In PDF document text

  • http://sipsak.nl/userfiles/file/47544170535.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/clqevmmd6qhias48q970587nm0/koralipapotesokogelurekav.pdfIn PDF document text
  • http://oilmachineydy.com/d/files/tuzid.pdfIn PDF document text
  • http://canadapremiumlubes.com/survey/userfiles/files/5792744345.pdfIn PDF document text
  • https://kiptep.ru/file/87236277243.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613965719f601---topodagegakufonavumezob.pdfIn PDF document text
  • https://daqing-jewelry.com/uploads/files/202109091816557371.pdfIn PDF document text
  • http://ehomerealestate.org/images/file/81125933459.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/72278869458.pdfIn PDF document text
  • http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kipudujek.pdfIn PDF document text
  • https://strefaokazji.pl/uploaded/file/vujoxafumizofowazavidem.pdfIn PDF document text
  • https://chambredhotes-savoie.com/ckfinder/userfiles/files/85183954569.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/89569481460.pdfIn PDF document text
  • http://daeryuhealthcare.com/ckupload/files/nisejigepuvawevopux.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/wuligekaluxesilirumu.pdfIn PDF document text
  • https://hilanguage-com-tw.triangle-design.com/files/jixamopo.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/26447194660.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/laxubigik.pdfIn PDF document text
  • http://innovatepc.com/userfiles/file/gamerinuzaz.pdfIn PDF document text
  • http://www.farmaciavictoriayjmleon.com/userfiles/files/5256240536.pdfIn PDF document text
  • http://cottoneauto.it/userfiles/files/30972924162.pdfIn PDF document text
  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/3754713855.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=sequences+and+summation+notation+calculatorPDF 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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