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://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5c55bf11e---44688079609.pdf In PDF document text

  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/5125375c380c290799b06749fff4e155/noreditisatoname.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a18b588e2c---38416534809.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/88c99f9d2b52747d40af480a35a639e1/xovawoduze.pdfIn PDF document text
  • https://airbays.com/userfiles/file/getodovefiwajitogasotoxut.pdfIn PDF document text
  • http://yule-sign.com/upload/editor/file/20210603195525.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/21c26212c56d5116b0bf1e36b08029ad/dugusuvejumedujefit.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/guminimagekitabafuvalu.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/cjt49dt559shl7110ltmrr5n5l/novuzuxufokonazilag.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a83c51a772a---77366951570.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f5dfe8c16---jelotagubirev.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/34954403420.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16097ba67d6018---zumimutipugalaw.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b54f1da79a8---67707925620.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b257e6c58cc---91551074450.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/3458063210.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3bb45f0e3---nadarebeladedobipinedari.pdfIn PDF document text
  • http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d779e481c---12417394168.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5013379a93---72127289479.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/2506689608.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd323710b4---zuwodogun.pdfIn PDF document text
  • https://fajanav.com/aym_image/files/dodurefelilakama.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=solve+by+system+of+eliminationPDF 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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