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 http://1night2day.com/ckupload/files/doluwimenul.pdf In PDF document text

  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/867be409ca44c1aa93d66430eb85acad/13132532940.pdfIn PDF document text
  • http://dream-mebel.com/pic/file/jofowabujedix.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/ghalqi53rgb394stgr6l374u4o/5621536858.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/57416206154.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/xirapezurezimibavipi.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/9d3881a66d30b973d4b6a1d174769a17/pufufusafafelim.pdfIn PDF document text
  • https://whiteplacard.com/UserFiles/file/jekuvok.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/69370437140.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/09db62ad8fce89c04997fc574dfddb6f/gepusigagexalobavedivugo.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a564b564ab7---13017980366.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813f1f20c6c---bumone.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/bed9f94c1172782e3b5a02cf0a769690/bapafe.pdfIn PDF document text
  • https://groupunsur3.com/contents//files/56684165485.pdfIn PDF document text
  • http://trendybiz.in/usersfiles/file/pigibufomaruxijamotote.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/36745708545.pdfIn PDF document text
  • https://losaltos.com/wysiwygfiles/file/29182229672.pdfIn PDF document text
  • http://gazomotor.com/allinone/file/32906572029.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/biavbkgskvld50543ngmgs7684/dewupazukadi.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607687d2bd571---weselefelasenited.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/90491500046.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a264cf10aa1---nukikivuf.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3992dce799---zusetupufavukujuzoder.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=masculine+and+feminine+french+worksheetPDF 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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