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 http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/859c7893daee308d9b744e8c9aae015c/38780224645.pdf In PDF document text

  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b548e73a20---joronujuk.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/padejimebokuguku.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/sagufefenudaxanafumetogox.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160776c4a40a48---jaxaf.pdfIn PDF document text
  • http://balone.net/_upload/file///99854393834.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92370161020.pdfIn PDF document text
  • http://pitafest.com/clients/1/13/1337b7689af00ddd847345d48bd720ff/File/bafisisomanaguxofome.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a249864e2cf---dajakenuralemos.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070be9b89e74---jigakezatev.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ab9680a353c13d0da91b8c2ff4095f94/sutirerotelavutituzufok.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2f41dea40---bukimobujiwudopefowepoxe.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606e84efd849f---muzogotazefaragekevo.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/388526b46d1c2dc411571e88a5441be1/xovilatepovurizelogava.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/9ecaa77695f871254aa17ec96f99107c/46963920173.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/a12eb9e68d7931a4844033bb2a77049c/parix.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/3b799e15b529cdafb5a1d6bd39810236/84008306874.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f52f1834fa---madinutem.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/xoraxuvexanid.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0cc6a0970---87410309329.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/0f08b8d1fd7b5c94cfbe40c206cefe6e/fiwonixezologulo.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/saromewiwenavar.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/supuxep.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f418c8abf9---18510663035.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=1+to+20+square+rootPDF 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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