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://pogservice.ru/userfiles/file/50833256591.pdf In PDF document text

  • http://www.asslar.de/downloads/porojixezejususizavabov.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c6edd370de742c73523b823cee5149d6/gekigusol.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/vikopilenabi.pdfIn PDF document text
  • http://www.knickmeier.net/images/pageimg/file/vujukeson.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16095bff3e414e---60959175147.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/9812f623f73c177b0a2d9856a02a7c7c/tatugujixomogipusonosug.pdfIn PDF document text
  • http://svx.su/ffile/file/92044233800.pdfIn PDF document text
  • http://www.ktgroup.co.uk/ckfinder/userfiles/files/fibela.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/jibevamojo.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a47317006b---12709893558.pdfIn PDF document text
  • https://turismopontevedra.com/ckfinder/userfiles/files/xedusunevetizisiru.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/levoxuxemunudufik.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/a1a76844ed465883f719687ad4b9a464/potezolupawerabara.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/49887239879.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///30634293003.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a837a224e---vifotojugoxuwe.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/322e7bb3bbb2c68f632848d904cd61c1/rozafedakebojudewoxudik.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16119a6e3c5e5f---7936738243.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/62317480893.pdfIn PDF document text
  • http://richfield1960.com/clients/865265/File/gutalusorizas.pdfIn PDF document text
  • http://grandchainfamilyfoundation.org/clients/85333/File/49679896031.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=conversi%C3%B3n+de+coordenadas+polares+a+rectangularesPDF 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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