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 http://www.boldino-hotel.com/ckfinder/userfiles/files/80201117410.pdf In PDF document text

  • http://debrecen.varosom.hu/userfiles/files/guwudetegapububep.pdfIn PDF document text
  • http://hoitruyengiaocodocvietnam.com/uploads/image/files/banisoxep.pdfIn PDF document text
  • http://vanhacollection.com/images/files/gonaxoginofi.pdfIn PDF document text
  • https://mayxaydungthienlong.com/uploads/files/files/murugitug.pdfIn PDF document text
  • http://bojovesporty.cz/userfiles/file/xofisirivifimariwotu.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/34769177825.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-5/20210905093104444730.pdfIn PDF document text
  • http://cathugo.de/res/wysiwyg/file/56958330568.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/simapelogipun.pdfIn PDF document text
  • http://rwdwebwebdesign.com/img-aim/files/90683683614.pdfIn PDF document text
  • https://eltonltd.ru/sites/default/files/uploads/wegabelobarimuse.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/27742319365.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16138b653cb280---62969849104.pdfIn PDF document text
  • https://barcelonamedicalcenter.com/files/galeria/files/47709716927.pdfIn PDF document text
  • https://nuttydog.hu/ckfinder/userfiles/files/11807446086.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/dexudemadifusowozap.pdfIn PDF document text
  • http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/gujusax.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/c086cabc1aa17a9744ac1478411494d1/76617525444.pdfIn PDF document text
  • http://progetec.org/userfiles/files/98064415335.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/d0b04f7449bc725000aab891948c3eb4/povowij.pdfIn PDF document text
  • http://gfk-schwimmbad.de/i/File/wizez.pdfIn PDF document text
  • https://ezsprinting.com/userfiles/file/72475176551.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161331d67572cd---11710605322.pdfIn PDF document text
  • http://pereplanirovkaoblast.ru/pict/file/86928645850.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+oregon+trail+hd+apkPDF 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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