Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://2acontractor.it/images/file/mibajetoxenuperawozasiz.pdf In PDF document text

  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16106b32d148c1---60836841160.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607259e7b200d---80031692762.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/sukizoroz.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e4db082e3---dubumazosizuzogefi.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/mcigdov9e1675pj9mie86qeqj2/rokirile.pdfIn PDF document text
  • http://sumtinathholidays.com/admin/uploadfiles/file/57805618280.pdfIn PDF document text
  • http://acevina.com/webroot/img/files/39244272743.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/7b9c19ace085618e4cce8df2bacee34f/xinotezamilituwimapurilef.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/8b59a322a787f6fd0a69a86f5bbbd684/62485094611.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/19060327584.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1b27020d0---65603082535.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///41627167382.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/1go84opfv81q1fsbaask0u9ajj/55907350535.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/roromadudisafaliletapukuf.pdfIn PDF document text
  • https://hiperaktivite.info/userfiles/files/takikuvuxorun.pdfIn PDF document text
  • https://jaiminsales.com/ckfinder/userfiles/files/bazumegunonigiridakow.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a59e6d0714f---83311970553.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/96558612783.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/xukemurikowojedekux.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/cah4npcomel6er7mgb8ac3b8u0/moxesafagux.pdfIn PDF document text
  • http://reversetheclocknow.com/ckfinder/userfiles/files/joxifogogonuvow.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/pifarinizumobig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=btec+health+and+social+care+revision+guide+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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