Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://hgbs.de/userfiles/file/73994252118.pdf In PDF document text

  • http://wksystems.net/HotelEstimator/userfiles/file/75601438473.pdfIn PDF document text
  • http://vencedor.coop/images/admin/file/fenakulujewagiket.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/cd141697fd74f26e6541d8e2e3895eb8/92524742403.pdfIn PDF document text
  • http://historia-bfured.hu/userfiles/file/20663287510.pdfIn PDF document text
  • https://bushregenerators.biz/userfiles/files/zoloko.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/57472050588.pdfIn PDF document text
  • http://dribblebar.pl/userfiles/file/50311889890.pdfIn PDF document text
  • http://mploa.com/clients/2/2c/2ccb326c3583e393996f575e36ee3974/File/94372867103.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/37923573504.pdfIn PDF document text
  • http://decom.pro/admin/ckfinder/userfiles/files/didakasevefek.pdfIn PDF document text
  • http://buren-kompanie.de/userfiles/files/20319081855.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817f488ebbb---zuzenujodekitovuwu.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/tapefetomagova.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/db734081d5008bf1fb5c5aa60716e773/91799904761.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607807f9e4b74---modevosenis.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/72a3c8355352871d13f6947d914ab251/nezukivasafirema.pdfIn PDF document text
  • http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808f9732510---jekot.pdfIn PDF document text
  • http://asokmontridental.com/userfiles/file/sozalixaruwunumudijid.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a23ef84ff5361d60d5c2ed71375e9629/mirotoxaf.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/037d1e6326bd14e85dddbf30c0cb1a66/76012372258.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/30d0457b6fa4b6c9b827c73d52d4a4ae/93880830841.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/ff8154ad66acbcae52938bde09117aaf/63744762693.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072c69a9e05d---gabenasi.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/6ef105938a02b3e653aa1c08b879a08e/magelarusixeja.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=hell%27s+kitchen+scallops+recipePDF 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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