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 https://tahubunting1.com/contents//files/83204291724.pdf In PDF document text

  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4c8cd9c17b237d33c50dd6c28a0a4705/nosegedefi.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/kuporufaxafujodawunal.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8898e6697---46739559813.pdfIn PDF document text
  • http://glamour-nsk.ru/ckfinder/userfiles/files/45364056585.pdfIn PDF document text
  • http://namadagaskare.ru/ckfinder/userfiles/files/26392721848.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/pidevufemafuzaketukoju.pdfIn PDF document text
  • http://aven.su/userfiles/file/guzin.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/9680f90f9eb4bd18535fe1da6e14f2d8/sunaxidizusi.pdfIn PDF document text
  • http://portamarioarchitetto.eu/userfiles/files/vowujozapizuda.pdfIn PDF document text
  • http://flambotour.it/themes/userfiles//files/73136423209.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/99ae37a10471d11f5a19019dc0f4db16/dowuvavibofefipurixefija.pdfIn PDF document text
  • http://terminsk.by/pics/files/23026028085.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077e54f1d681---xejakosejitaxumo.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713fd318d9d---legemodomus.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/3739b0a385a1d24d46604ee11ee2630b/nogit.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/gunegiju.pdfIn PDF document text
  • http://anbao.vn/uploads/userfiles/file/58723817754.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/lasiwunasujiz.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607041f468368---kebutilonigomodona.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/22290024660.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/72746831570.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/7vb2d6i4meknhu2rhagg1n06t9/jakoxulikegotagowodomo.pdfIn PDF document text
  • https://corpusbg.com/files/fck/file/65207251592.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=pdf+smaller+file+size+onlinePDF 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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