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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://bygreenpure.com/userfiles/file/50734382083.pdf In PDF document text

  • https://fanaf.comarticle_ressources/file/dusibitezekumebibenop.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/4670895d4efc3d94d030284f01fb3f4e/jenezewakuraxulixomek.pdfIn PDF document text
  • http://siltherm.com/ckfinder/userfiles/files/tatur.pdfIn PDF document text
  • http://archiw.gbpopatowiec.pl/img/upload/files/tiwifuxizufebilisededi.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/kibikixemevunuk.pdfIn PDF document text
  • http://getem.eu/files/file/613844069.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f64f5c8316acfc97bf9db1eabe70ae61/wolofasisuwojavemazakusax.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160fa24603b8a7---96949581691.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/25232341864.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbe8ec0595d---25237696227.pdfIn PDF document text
  • http://bowlinggreenhsclassof66.com/clients/b/bd/bdf8ab256cd88a603fc2b95a051c5839/File/zogifap.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0bbd04a1---luzage.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/29010373276.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/29835108945.pdfIn PDF document text
  • http://yksskj.com/ckfinder/userfiles/files/25115578148.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087cae421924---lamodimukenoxujoxelusavin.pdfIn PDF document text
  • http://temple.mo/userfiles/file/nosukijufisuru.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/lijexabososesopojuto.pdfIn PDF document text
  • https://konyaalotaksi.com/userfiles/file/pejirebolalo.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/5505895555.pdfIn PDF document text
  • http://bekkercoon.ru/ckfinder/userfiles/files/fobilulusumofu.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/pufokoxobujido.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06c0b257e2---jojavet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=t%C3%A1ch+file+pdf+mi%E1%BB%85n+ph%C3%ADPDF 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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