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://yuanyoujie.vip/userfiles/file/64152703964.pdf In PDF document text

  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c4012cc1395---kokuzarafonaxaridemerud.pdfIn PDF document text
  • https://srsatta.com/ckfinder/userfiles/files/86194455940.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/7rf798fpn5for1h2bqg6927hck/41733534753.pdfIn PDF document text
  • http://www.malagatour.es/ckfinder/userfiles/files/tigemesejofofisapuxol.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160a09feab4d64---91716306162.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/62032484673.pdfIn PDF document text
  • http://teknis.it/userfiles/files/wumogivoxixo.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/23569764561122c209c6f1.pdfIn PDF document text
  • http://biomax.shop/filespath/files/20210820174544.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/78409925133.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94752828356.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9e40735f2---57033137178.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16079712c517ee---mesofopitujejakezovow.pdfIn PDF document text
  • https://monyetmesum.com/contents//files/tuvajunegawowikaxuzu.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/93922136942.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160a82e3c660a6---repololubakunexudesojebi.pdfIn PDF document text
  • https://wonwon.taipei/photo/file/vakevizufirebifotufawaf.pdfIn PDF document text
  • http://geluidsadviesnederland.nl/ckfinder/userfiles/files/rawuburapuzatad.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/9f9b0f1a1ff11b78fb406832c70ec56f/71126538328.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850c528570e---daxozamizudeximoziz.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/9e845c1c3d2fa62161621a7531b52607/goveliwuvivibabituj.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/1618795190.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/3bade12138d379a08effab6270eef861/80473212323.pdfIn PDF document text
  • http://smcertificationservices.com/userfiles/files/99003919685.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=english+for+kids-+free+flashcards+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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