Malicious PDF — malware analysis report

Heuristics 6

• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/ulltv7g6mujf6l2qe1fsaufe4f/31892973563.pdf In PDF document text

  • http://vankouwenenmastop.nl/UserFiles/file/73036947716.pdfIn PDF document text
  • https://pnlcoach.com/misc2/file/In PDF document text
  • http://jullien38.com/ressource/site-image/files/54404898120.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/47857543509.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/eo8hbav0lgepum2thlqoqnlngh/56787533651.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfccbb79c71---nilivabojegarojixozerim.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960e5c4c007---magedezibixajuvonu.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/61f0b28d6b7adbce864b799133cb1e56/8169324905.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/55834075044.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16098c06319300---35529335375.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/51170706418.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/r1bla0akd4nl85j9t6fak1vhp1/17849480813.pdfIn PDF document text
  • https://www.groupenahno.com/wp-content/plugins/super-forms/uploads/php/files/kt50ei25kp3qgg4c7pjd3j3juh/vefefalevazabidos.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928b9b8f203---foxefojo.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/u7puoqu2ag188nhse60d0p9sd1/tunipesilemeguso.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0eaf2afd77---52113269158.pdfIn PDF document text
  • http://drjoecarver.com/clients/49355/File/90108238774.pdfIn PDF document text
  • http://gianniarnaudo.com/userfiles/files/tizek.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbf94e8f08---zumugevu.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ir5thrk51mi06av52r4e1c3mig/95468688559.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160910ae74f161---90649278014.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/c8c0b96ae1b77e6318b15e40c6d0625d/31708081139.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/teketuluwaminida.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/huq490fuo7rdn618fjtnrmmq8l/watomovezipamunupomapin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=meaning+of+perceivesPDF 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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