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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://inwebjor.ru/uplcv?utm_term=filosofia+do+direito+pdf+paulo+nader PDF link annotation

  • https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/kovipavebigokis.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/97058296484.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/ed7j38e0du9gh6maf4lcl69r15/lopaparedode.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/55348889804.pdfIn PDF document text
  • http://doggystylzgrooming.com/admin/photos/file/jizuk.pdfIn PDF document text
  • http://hanauhrova.cz/files/81602233662.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adbc9886f08---85785798774.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/23513508699.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/b5d8b3888a4928dc6eba3719a248a0c9/88537672127.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/gofulurato.pdfIn PDF document text
  • https://mayurherbal.com/userfiles/file/51511723265.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/7922679745.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/vdblgc5p3tdj3srvp2dmg2ttbc/89831819866.pdfIn PDF document text
  • https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/99956189546.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa72ea22c5d---fawagezi.pdfIn PDF document text
  • http://discus-rus.ru/upl/file/nujazukuvalepepeporakipu.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/cae6c2dc90b4e848f72629e7b4174fee/66374923783.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cc36f7418da---78179275474.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/85137814245.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-6-9/20210609225150990096.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/duwawagene.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/lotozamenezuvuwasubad.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/345ec3ee9c4f3a129680eed703e68679/45465278519.pdfIn PDF document text
  • http://lukinserv.hu/file/65563817785.pdfIn PDF document text
  • http://fullx.net/files/nojikekotobovaxipolunaj.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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