Malicious PDF — malware analysis report

Heuristics 6

• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://dpt-mh.com/uploads/news/files/dovas.pdf In PDF document text

  • http://shuswapladystriders.ca/userfiles/file/38312092848.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d47ea1bfb67---50171992316.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098cc093a8b1---nogatewesaporewofunipaf.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b015c9fa67---bileguburopovopew.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/89153439781.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/bulonutafafisobuxiza.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a249e0040a4---73230370263.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/zadosirusewukogegeli.pdfIn PDF document text
  • http://novichiha.ru/pic/file/96081611460.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160881938ea680---94515119410.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/fogomu.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/p5uempi08tak59ajo8ke95lqkf/mapovukanolu.pdfIn PDF document text
  • https://soudurelauziere.com/upload/editor/file/41212402905.pdfIn PDF document text
  • http://duquenne-moteurs.fr/webroot/upload/files/21618268678.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/zanemuwewafogom.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c48f2d666---gijawumufefodalixovise.pdfIn PDF document text
  • http://dorp.pl/userfiles/files/lokasul.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/b6539bb7bb97ad38840e1046410299fb/17323142293.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/wupuvobaxik.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/55056365958.pdfIn PDF document text
  • http://austral-immo.com/userfiles/files/vumuned.pdfIn PDF document text
  • http://abpaluso.com/upload/file/xajob.pdfIn PDF document text
  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/eju84n0j022s5f75erp90oqbqm/30037464038.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=the+crucible+act+1+study+questions+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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