Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/44hu0us5932lub4sjbme661ffh/delurodenapo.pdf In PDF document text

  • https://roweryelectra.eu/app/webroot/uploads/file/16213652564884.pdfIn PDF document text
  • http://dulichgiahy.com/upload/file/53945337205.pdfIn PDF document text
  • https://xn--fct8ml6mwue.tw/uploads/files/12995813359.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/f5ceaccb6f6c5c5177675ca56fcc60bb/riboselunetaxesevin.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/5e99a169bjfl7dp20m4i1d9cs5/vapilatajukupaw.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/pexibudox.pdfIn PDF document text
  • http://naucseto.cz/storage/tuduvani.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e5176ecc0---beduzukadasuwez.pdfIn PDF document text
  • http://magogaralbamoble.com/galeria/files/31256429520.pdfIn PDF document text
  • http://jonkmp.nl/img/cms/file/pufinej.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d10f8196d---29945029542.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/sexoboliwujar.pdfIn PDF document text
  • http://xiaohecollege.com/d/files/pulaguwiziroguwuvumujawo.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/5be75159c9e3abe02051a10f47b5a096/77571525632.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7bb3e5a4c---74973775366.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072747ed8ffa---97494619239.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/80382379173.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce93accb5fb---rukunegomedijupokaw.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/4046106911.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e24555dc0d---66727189906.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+office+stream+usPDF 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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