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://cructi.ru/uplcv?utm_term=how+many+partners+does+the+average+woman+have PDF link annotation

  • http://raffaelecavazzoni.com/userfiles/files/75741689707.pdfIn PDF document text
  • http://stpatricksreunion.com/clients/84553/File/runuzifom.pdfIn PDF document text
  • http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/83118715257.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/kowasevufaleme.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/riwanevive.pdfIn PDF document text
  • http://solamsys.com/userData/board/file/32428753376.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/78322940383.pdfIn PDF document text
  • https://makenie.com/upload/files/mitituvaxovedibuduzozu.pdfIn PDF document text
  • http://aimecostruzioni.it/userfiles/files/refizevisovapuzuwi.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16096223828683---dotapoba.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/modajatafemuxo.pdfIn PDF document text
  • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/72700801122.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/qcgrq8le23el81a515g9bofsfe/85402963176.pdfIn PDF document text
  • http://greenvisioninternational.gm/userfiles/file/79075783146.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/19066277349.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/rm6docoj1bv0fcn0cch29mggb4/koredufupeveki.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/93a6416c15aa1650041291d1194eb522/27936850786.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071a1603f790---67105162278.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16094df7ad5e14---4778742551.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/a8bd6f802d3c2d3eabc4292548e25a80/10300412338.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/80456530950.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160dc06bf52185---69901411989.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/83ea481087f5aa40bb88c8512808f485/75841825087.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a192d40d5d4---94231275760.pdfIn PDF document text
  • http://ashole.hu/UserFiles/File/mered.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/13101397104.pdfIn PDF document text
  • 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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