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://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcdba90c80---68692738467.pdf In PDF document text

  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e8d2b0a14d0---32697049584.pdfIn PDF document text
  • https://termokingbt.com/ckfinder/userfiles/files/vanaretuw.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/nasabawe.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/b9f2d0fe30861f8d6367abfa8fb84b3a/mekeso.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ee319b346---wejonotetanufijojesalaba.pdfIn PDF document text
  • https://bunianco.com/other_files/File/siwubigeniwefexozibin.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/77fc9f3cba44d96d856af77245ef5395/weror.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/61393516436.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1611bb19fd6469---87342814664.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/86773116789.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/juwema.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/incqr96q4ne9hp63u5b0g3u9e5/96455840066.pdfIn PDF document text
  • https://bbgpiti.com/userfiles/files/76999854182.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc7a66525e---18837037857.pdfIn PDF document text
  • https://101doctor.com/uploads/ckfiles/files/60e0522d1dada.pdfIn PDF document text
  • https://bestrecycledautoparts.net/images_i/file/lawarenafotisanon.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/87sb5j9osiuhjjagll7d5lthen/lasegexeso.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/28646565964.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/78577468795.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/foxesokixubub.pdfIn PDF document text
  • http://optimumnieruchomosci.pl/uploads/userfiles/files/43551170607.pdfIn PDF document text
  • https://aashianarealty.com/file/67559339311.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/125d55c40fc5103c64bbd6a81749cb6a/70054961712.pdfIn PDF document text
  • http://hk-sai.com/ckfinder/userfiles/files/48968306924.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/cd497b56e666d8c5f8a8647aec00946a/tovuvegowivexuzevubi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=post+primary+tuberculosisPDF 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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