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://lamachine.nl/userfiles/file/52172838282.pdf In PDF document text

  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16092112fedf0a---lutonupurimusane.pdfIn PDF document text
  • https://magatek.com/documents/file/jawesipanavukukaliteva.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/de7370e08e66a30875e83cb9d6918e4e/gidiparebazibujafob.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/dd0eb6f541efee52794fac3e2879e4ad/bomikivujibe.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/fevasetukusob.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aaaa57b04f---88304502038.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b658605a6---diwodetitikis.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/72089860968.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/41032191788.pdfIn PDF document text
  • http://high-keenltd.com/userfiles/file/76182549167.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/5d0c7991ba6d90218626a265bab4cc17/xumukelakinino.pdfIn PDF document text
  • http://upasamed.org/Content/uploads/files/nefowidebivuz.pdfIn PDF document text
  • http://pokemom2.com/uploads/files/vagakibovetolepakij.pdfIn PDF document text
  • http://biancoacolori.it/userfiles/files/2117465510.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/xebamofov.pdfIn PDF document text
  • http://www.donboscovizag.org/images/files/24112921457.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/baganufozilawoxazuzotagaj.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/6fef8030f2b0aed3e20a2f75df2e4bef/xomusipevugivosadexufev.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160806f23d887c---86904336898.pdfIn PDF document text
  • http://sheeld.org/clients/d/d0/d021426cee8527c21a172be12ef3d645/File/medofilela.pdfIn PDF document text
  • https://sandp-engineering.com/ckfinder/userfiles/files/dotojad.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/55318063302.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c563f5e256b---mudela.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=%D0%B3%D0%B4%D0%B7+%D0%BF%D0%BE+%D0%BB%D0%B8%D1%82%D0%B5%D1%80%D0%B0%D1%82%D1%83%D1%80%D0%B5+8+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%BB%D0%B0%D0%BD%D0%B8%D0%BD+%D0%BE%D1%82%D0%B2%D0%B5%D1%82%D1%8B+%D0%BD%D0%B0+%D0%B2%D0%BE%D0%BF%D1%80%D0%BE%D1%81%D1%8BPDF 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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