Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://nomylo.ru/uplcv?utm_term=gseb+textbook+pdf+free+download PDF link annotation

  • http://universalthailand.com/images/uploads/ckfinder/files/59773630331.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794188ac4f4---wakodob.pdfIn PDF document text
  • https://immobiliaresancarlotrieste.it/file/5052335508.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/7778331e0b67c2397d847c75bfe297f4/50127354500.pdfIn PDF document text
  • http://isvpro.com/custom/files/33369253831.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/fa1c6935fdc2084d7435f1c129ccf536/sanedusuzadax.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/sutoxixujekam.pdfIn PDF document text
  • http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mofujuxira.pdfIn PDF document text
  • https://hoangvan.vn/wp-content/uploads/files/kubopawexijixokigiwedu.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/lieool74mc73d356sp6iafkl7g/39539011424.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/db73563162a715af694ed892215e7969/xajatuvabubaxex.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/sb8cgsqefadif8kpn2tbel0ap8/60489903313.pdfIn PDF document text
  • http://viorina-deko.com/images/file/87476486919.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/8604528746116d97e480a2.pdfIn PDF document text
  • https://tutorbolivia.com/userfiles/file/papagitemeli.pdfIn PDF document text
  • http://mclarenquartz.in/ci/userfiles/files/daduzitezatup.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/31675fa0b430bbef6a95ad25effd59bf/85805997800.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/1e6fqjv4fd8qqht212v9pfkkr1/68378897982.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/173d338feb022a0049a350aca4d08e93/82072091465.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/e28bjjd8i7oublrhedr87uddc3/68831854925.pdfIn PDF document text
  • http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/kuzigo.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/zijaxuwufetupo.pdfIn PDF document text
  • https://stdtekstil.com/upload/ckfinder/files/93001095747.pdfIn PDF document text
  • http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/94550532421.pdfIn PDF document text
  • http://goodmix-psc.com/userfiles/files/nivodixib.pdfIn PDF document text
  • 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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