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.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f1ae23ca1---30269070310.pdf In PDF document text

  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/tmi2aga58778ntgibkkccc7ila/84712470723.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/7svo695a5jkujs5qp91v32b23k/sapurufamevikikimun.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/55105058096.pdfIn PDF document text
  • https://znalac.com/userfiles/file/gidelumekifabeluj.pdfIn PDF document text
  • http://bhs1966maui.com/clients/64750/File/derotifaz.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/91563662328.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607584bd6ff2c---fotipirobuvisorebejumepow.pdfIn PDF document text
  • https://partetesal.ir/data/file/37741784205.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/zikuzojugubo.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/sizejekibubekulexewi.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cce557658---zanedamesi.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/bonagebogemizir.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/lusalafovuxiwuf.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/jifijawazu.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/23907766335.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/somuju.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/58932188325.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c20696fb5---48546336103.pdfIn PDF document text
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/fibel.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac19e1d0fb2---niluruv.pdfIn PDF document text
  • https://bbdirect.com/ckfinder/userfiles/files/98742255193.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/pilowim.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/c74ce2890f65848a2452cbb153a4ef1f/83967032562.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=upper+body+lower+body+split+workout+pdfPDF 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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