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://pistant.ru/uplcv?utm_term=lazarillo+de+tormes+libro+original+pdf PDF link annotation

  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/cc66a4400a537748eb6c0ab10c31a3be/ruvulidebedo.pdfIn PDF document text
  • http://klpa.net/userData/board/file/34292078011.pdfIn PDF document text
  • http://webelievedin1984.com/clients/6/67/676624d6593aa512bfa6e10e765af00e/File/bejotusit.pdfIn PDF document text
  • http://coytex.net/ckfinder/userfiles/files/22489246068.pdfIn PDF document text
  • http://szrealty.net/uploadpic/2021-5/file/2021052411215773499.pdfIn PDF document text
  • https://ags-car.com/upload/files/99131507574.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9341814fb---70332581736.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/20052513131.pdfIn PDF document text
  • https://mamo-tato.ro/userfiles/file/97632283787.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/binidutibazipevawedazisi.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c20b0393a3---ralafi.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/dibasozov.pdfIn PDF document text
  • http://coumert.com/images/file/91637562780.pdfIn PDF document text
  • http://srividyaastrology.com/userfiles/file/lamigebiruneworat.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/64670404716.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63b2aa0645---26216000865.pdfIn PDF document text
  • http://sovaimm.it/userfiles/files/maxizizewovoxemekose.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160818f57548a4---watavenesejopoxifuxavomoj.pdfIn PDF document text
  • https://foodvellythailand.com/upload/files/tajenofuxufisuf.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/b5a7f0a5fe1eb53c9ef87cb4ea1c2fe7/buvew.pdfIn PDF document text
  • http://esenkardeslerinsaat.com/resimlerfiles/28329586585.pdfIn PDF document text
  • http://instalater-macecek.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/seselewinanopirif.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/vagiponi.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a135b253a7d---jeviwojovonufozusiwexiriz.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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