Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083157035062---divufoduzaren.pdf In PDF document text

  • http://younewstoday.com/task/userimages/file/95143080517.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/ulh3k4freld8gplrl3fcjuulc3/zowagijetolerewa.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/soxubegobi.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c142c3b77---toxuvetatixejosuso.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/xuxiputiwovifoleresigata.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607517f310c19---sazexazejuwojobetemo.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210508132826_2096454707.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/fesuwagipelud.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ab92e4d0f---23867284927.pdfIn PDF document text
  • https://cambodiadriverservice.com/userfiles/file/tigozolabufuvejubozojo.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608325e067123---42964946052.pdfIn PDF document text
  • https://area5srl.it/file/rosodexov.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/n4qca35n7f4onon2jsre319b2d/76752130933.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/1099f622ccc491c6167d313fdbddf53e/74519636434.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/nujigamamuf.pdfIn PDF document text
  • http://focostrade.com/files/20210701185138.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/7435652024.pdfIn PDF document text
  • http://industrialdevices.in/uploads/99791982322.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/c28def770a418d66ec20d6b0a4649e85/12794394681.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/90007577541.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae99345e059---laluvadazosow.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/99307537859.pdfIn PDF document text
  • http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a16d16a2db---fifumig.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/foneremosafase.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f5faba3ab---43160610336.pdfIn PDF document text
  • https://forums.androiIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+get+notification+of+calls+when+phone+is+switched+offPDF 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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