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://queure.ru/uplcv?utm_term=exercices+corrig%C3%A9s+physique+chimie+3eme+pdf PDF link annotation

  • http://www.maderas-navarro.com/ckfinder/userfiles/files/vijinatome.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/60522968499.pdfIn PDF document text
  • https://mmgrowersg.com/ckfinder/userfiles/files/xuzigol.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/majepuwatakawelawaruwodi.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ko67ntkgp5poaocqpjn85p5nru/14027932284.pdfIn PDF document text
  • http://grandioso.asia/editor_upload_image/file/33643672714.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e39dd9e96---90852378305.pdfIn PDF document text
  • http://bukharaalpharetta.com/sites/default/files/file/43572950508.pdfIn PDF document text
  • http://cyuanmei.com/userfiles/file/92390450231.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16132ee2060500---43971905612.pdfIn PDF document text
  • http://ptichile.cl/userfiles/file/pawibupogoxidipeniwemam.pdfIn PDF document text
  • http://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/40114650095.pdfIn PDF document text
  • https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/vidiwoso.pdfIn PDF document text
  • http://studiotecnicofrisoli.com/userfiles/files/58751643039.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/12tun6674a17tve9gjfk50fkt1/72423730776.pdfIn PDF document text
  • http://pop-around.com/file_media/file_image/file/36709855009.pdfIn PDF document text
  • http://kancelaria-perfect.pl/app/webroot/media/files/puwemefifanenizuwifejof.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/31990940235.pdfIn PDF document text
  • https://wittnebel.dk/file/jodetuno.pdfIn PDF document text
  • https://turbooto.vn/upload/files/pipadavebi.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/161373d8113c0f---50195720517.pdfIn PDF document text
  • http://divodizain.ru/ckfinder/userfiles/files/5483907319.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/6e7cc4082c14ed0e23f974e5467810ae/6519759133.pdfIn PDF document text
  • https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/patikerov.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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