Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://infrive.ru/uplcv?utm_term=significance+of+nucleated+rbc PDF link annotation

  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/7e5c6079094ae56503ca01d82d788329/saxusotowipenozixuvo.pdfIn PDF document text
  • http://tzoetemondje.be/uploads/files/kamidaxevif.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/torepajanobaremiriwud.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-5/file/37389344074.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/ddf689683be95a795636962cab1bcfc0/44717431241.pdfIn PDF document text
  • http://pritchardreunion.com/clients/81409/File/fumilojebeganatigiwijexal.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/84glfpldniqkt0cdqhuafn9il3/71035000270.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/16n98kdnhftpq736fqq7vokik9/24113132094.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a338814dee6---65785066258.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2e0879882---21494593666.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa09eb64a3f---295629126.pdfIn PDF document text
  • https://capital-tic.com/upload/ckfinder_temp/files/20210527010344.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/g82sshp30bs379tvrscm7k6pi5/godalosa.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/26370089454.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094211fca53b---wulad.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/d8f367e7bccbb81e2a7a2767ab1921fc/50024360229.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160764c8023e83---67541830745.pdfIn PDF document text
  • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/b8e2107fa2a99e9fa7595c2e98327e54/zizavusimuzajigene.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/goribuzisukakalozijibez.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/sazatik.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/56135062804.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160811210840fc---48131058893.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609095c4d009c---70031572957.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/0dea5b7895c3223b8e48d60de6f8e6e9/bojevebugujarasarademit.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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