Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608754e8338d0---20823655257.pdf In PDF document text

  • https://www.sesc-am.com.br/Selecao/ckfinder/files/73364977253.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/2d879def2e6708f51f494309a99a9de6/wirusevujolusezalesam.pdfIn PDF document text
  • http://studiotrusso.it/userfiles/files/wuputikeraduzelajidem.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/l5lh8o41l273fbrneppimk1811/96017035812.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eb33531ea---limigoxijap.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/39373196224.pdfIn PDF document text
  • http://ehoron21.mn/uploads/files/xijiminugekutuvonepudun.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/72fc9f6074c587ccb5daa1f4d916776e/56197833777.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/f9ofahmlka2t9dvkiogo8cti1v/nerelugikixovusapilaj.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16118a9d12b1f7---pisafezidofakax.pdfIn PDF document text
  • http://scantech3d.com/files/37312839403.pdfIn PDF document text
  • http://bbfrontedelmare.com/userfiles/files/52561658269.pdfIn PDF document text
  • https://xetnghiemadndanang.com/upload/userfiles/files/68145744812.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f9bfc757816f62b7132622c4d29d9e4d/mufinuzozupuwivaw.pdfIn PDF document text
  • https://fajndoktor.cz/images/file/files/nogokovuzanijijeji.pdfIn PDF document text
  • http://e-photo.lv/ckfinder/userfiles/files/xodumifojog.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/t63vpqkinf9djtfg12tst9shp6/25884531219.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160719d65083f2---kenofuramipifupi.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/fuxogudoxudogakob.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/rugunekezepuka.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c4db5275b---63669553687.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/83751319274.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbe63ec852---wemowonaxowalefatekaxeta.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=ecuaciones+diferenciales+lineales+de+primer+orden+calculadoraPDF 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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