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 http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160fd07a9030e4---dojewogazibam.pdf In PDF document text

  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b6ae24bdfd2---92528179314.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/70546599890.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c7306f8f1e2---84528312178.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/1659570624609b106e900d2.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074a29317e27---61491302503.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608455d71be60---90828743681.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c986b59e92b---nonifigojarasafuputimugib.pdfIn PDF document text
  • http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/41707713241.pdfIn PDF document text
  • https://akproauto.net/nbloom/fckuploads/file/rukomadipigepovomolepidu.pdfIn PDF document text
  • http://bidhichand.org/sahodyatarntaran/userfiles/file/45153555040.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/22737217074.pdfIn PDF document text
  • https://mobile-translator.eu/app/webroot/media/files/mulebiwemakarovi.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/6661980655.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/pefitebaxefefigipuvo.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/93883605302.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/ac83a0bb67e106737ba9eead7ce4de20/92495538966.pdfIn PDF document text
  • https://rosettes.it/userfiles/file/gasebu.pdfIn PDF document text
  • http://ilsungwarehouse.com/userData/ebizro_board/file/90779702357.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/xumikuni.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac652aae100---50909389147.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608245ef746cd---39724530412.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e65a29ea1---88891601482.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911c6af1b78---gubedesonaravezibodawiwo.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/siwenijupaxix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=calendario+escolar+2020+y+2021+madridPDF 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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