Malicious PDF — malware analysis report

Heuristics 5

• 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://handinks.com/ckfinder/images_store/files/nixuwavesufuz.pdf In PDF document text

  • https://gcr.goldcrownresort.com/magazine_files/files/gonovumi.pdfIn PDF document text
  • http://wib24-admin.de/uploads/file/27702724563.pdfIn PDF document text
  • http://phuongdonggolf.vn/app/webroot/uploads/files/55589759133.pdfIn PDF document text
  • http://alexandraharris.com/clients/36054/File/2284197290.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe6bc27e02---begowijit.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/51bcf126f7608dc2bfe7a74f239f4813/37549616157.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a072e9ef9---35484228709.pdfIn PDF document text
  • http://www.christianhouseshare.com.au/ckfinder/userfiles/files/12722915371.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/88462872215.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/35034137256.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d29067d557---pupukapixa.pdfIn PDF document text
  • https://computerzone.pk/file/bisipa.pdfIn PDF document text
  • https://pilot-nav.com/ckfinder/userfiles/files/pilewoxagowajo.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb2157c1e7---80170391103.pdfIn PDF document text
  • http://itkaufmann.com/images/fckimages/file/50420669454.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/48296500241.pdfIn PDF document text
  • http://gusanhightec.com/userData/board/file/nabaviwuziwesesu.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/5166174135.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa65085609b---tarunagajolonesakogid.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/17357430962.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/57779173823.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7bd17a016---66535983311.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e009b97fa---geretifoje.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=les+paques+en+france+pdfPDF 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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