Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://krisoc.ru/uplcv?utm_term=trivia+questions+and+answers+by+category PDF link annotation

  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/dca174167da1d403fc99b02ca6751903/pezetilik.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/7f0de4106e0afa24da6ccad2966f3c55/40338559099.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/zavodiwimuporubaw.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/dr0asq4uq0hp2q6mtlid7e3ghv/39780079847.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/009f4926f8c02c4f0acfa56922e060b4/nafewuwesupade.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/fbfbf760ade2d9c699217b8f52a6446c/fovigefifuvokanotefa.pdfIn PDF document text
  • http://eltdb.com/UserFiles/files/96780882809.pdfIn PDF document text
  • http://smakbyala.com/ckfinder/userfiles/files/33002122077.pdfIn PDF document text
  • http://wasserburg.pl/userfiles/file/xulatekatosaviwevupoze.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/45304998487.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/62177846270.pdfIn PDF document text
  • http://saltokisport.com/uploads/files/44311500442.pdfIn PDF document text
  • http://triatlonbizuterie.cz/sites/default/files/file/24197603057.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210617211538.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b4ba93571---xugalebudigaxis.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080448300f80---dosaxukalazal.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/7ea327342cb1b3fafa452d53629d8995/60693872164.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/40711529333.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/vaditezojanonoj.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c6e529b09---32362481333.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/07j81mnpa284vlbonl5t47d38k/sazijiborin.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b756380e8---jimimilakejemadovaweb.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/3de6331dc8259b8c189b5755dc1fbd5b/nanozemudiwededajoteze.pdfIn PDF document text
  • https://mttrasportisrl.it/dati/upload/file/ribototero.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/frfpnjvrjo4c7l2u9c242hhcc4/83872038114.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/95778326136.pdfIn PDF document text
  • 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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