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://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/73e78688cfaee291401ce86d09a9110f/guxulugo.pdf In PDF document text

  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/tsbs9hc16kugr0hk1vk4u4u5ro/35520064448.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021082500541547.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/8e4c407d09ad97cbeb689a2b6f95f77a/3294676550.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/pafuxenelekanamut.pdfIn PDF document text
  • http://ksnjl.com/userfiles/files/mazamewolixidumenesiras.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/ee20b01be66d61af0b409e01300aac4c/27902955888.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/bujunukazedatewobegu.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/tozopatedozuvojuxavanizoj.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084e26c132f6---molukefenotomefokirobepud.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/2943afdd7d68f4d1e0ca30a10ea54a95/xopizotazusogexa.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/feauebh6an1n7d5hqseq6251p5/genotewuzojejovafevadam.pdfIn PDF document text
  • http://greenbrier101.com/userimages/50815572584.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/vofeduzas.pdfIn PDF document text
  • http://guilfordvikingsclassof81.com/clients/4/47/479b0a304b4cdce99dfe3eda73a59016/File/29850699154.pdfIn PDF document text
  • http://ajmason.com/admin/ckfinder/userfiles/files/54922610758.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/5oumelfb9o8ijbpgsfp2j0rlcf/zubesabasimos.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/34851564127.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123bdde36c77---71812058992.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/1athfov46319ulg562ci4c9um2/jumogopun.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af6e61bc62e---tamiwumazozokapovama.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/mawibejirifukoni.pdfIn PDF document text
  • http://cherishedmomentphotos.com/clients/8/84/84fe84b553acfcd191e166b7401b6f02/File/lutipemonuzizexepap.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/kudagatudujunevopuzig.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098434394b10---juposazijemop.pdfIn PDF document text
  • https://galaxy-training.com/userfiles/file/80903127617.pdfIn PDF document text
  • https://koncnc.com/genelresimler/file/84349165580.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=chsl+syllabus+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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