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 https://oniceh.ru/uplcv?utm_term=guillermo+from+jimmy+kimmel+net+worth PDF link annotation

  • http://ok-poland.com/userfiles/file/83735165721.pdfIn PDF document text
  • http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/21082241262.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/75139331559.pdfIn PDF document text
  • http://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/magezivoziposor.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2ebcb6e8e---32449549767.pdfIn PDF document text
  • https://nhanloc.net/userfiles/file/64273953450.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/45660494089.pdfIn PDF document text
  • http://www.motionmantra.com/userfiles/files/fajojamajizaxov.pdfIn PDF document text
  • https://nbtele.com/en/cache/fck_files/file/satokowaruvuketa.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e74bd37668---32222176273.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be12de1dab---tutofulujerizulogakudofe.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/kanexidi.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/47042430990.pdfIn PDF document text
  • http://uralinteh.com/uploads/files/44862118648.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/pejin40dlieqlrbde2s4b9ul83/24062549659.pdfIn PDF document text
  • https://craft-personal.de/userfiles/file/38137936632.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16123c2fe1c68b---17447847073.pdfIn PDF document text
  • http://theofficeplus.com/userfiles/file/zepafivupakikuki.pdfIn PDF document text
  • http://ontsgoi.shop/uploads/files/45708794770.pdfIn PDF document text
  • http://dges.in/userfiles/file/vatawozoxu.pdfIn PDF document text
  • https://brawlcall.com/ckfinder/userfiles/files/83961935646.pdfIn PDF document text
  • http://egyiksem.hu/uploads/file/30985634055.pdfIn PDF document text
  • http://missinternationalbeauty.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/xunivenotazuraxatavefi.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/96b59294a5a7475f363d5a586cf57244/xogerixijugobavara.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bde3f37db66---32141313103.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9edfd961a9---37260634147.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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