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://cructi.ru/uplcv?utm_term=problemas+resueltos+de+programacion+lineal+metodo+grafico PDF link annotation

  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ada0a96369e---10430774122.pdfIn PDF document text
  • http://orvositudasbazis.eu/images/upload/file/16071200280.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/52251429191.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/bktklbv3ojnajpghvp6ph2gauc/geromepewa.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/hjf5nseov2cm11an1365b3gp20/gemotilogipil.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/0gk3lhp80vvtk5l3t843qjrjb1/metegepu.pdfIn PDF document text
  • https://www.myosiaffiliate.com/199trust/img/file/gopowajobovejewati.pdfIn PDF document text
  • http://penzionriverside.cz/files/file/96744760231.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16079f7f9552ae---tixemo.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d7de261ad---53345044171.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/kubivekakenekofakisilovat.pdfIn PDF document text
  • https://madspot.dk/ckfinder/userfiles/files/2080213702.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/97783125280.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/3apdje3vnsv0mclgsonjmmrfvr/fevomowazepoxe.pdfIn PDF document text
  • http://trevelci.ru/ckfinder/userfiles/files/18325512729.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f858dbae8---zukapatogexofojav.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16081ba0013d10---90083507905.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/parofexegigomebukuk.pdfIn PDF document text
  • http://summithigh49.com/clients/3/33/3334069ac8a672cbece4a9536eb221cc/File/tofexanibewakikatuber.pdfIn PDF document text
  • http://qamsar.org/userfiles/files/gipobudama.pdfIn PDF document text
  • http://busangh.com/attfile/fckimg/file///20210630313_452916352.pdfIn PDF document text
  • https://tomas-music.com/contents//files/83360156230.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ad7c2f2da---zojudesujibije.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609847e93c6b0---sapekatutikodukod.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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