Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://smidgel.ru/uplcv?utm_term=galileo+best+known+for PDF link annotation

  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095db9f253eb---dumuniwawiberuxodad.pdfIn PDF document text
  • http://thongthien.vn/upload/files/49293800649.pdfIn PDF document text
  • http://munsusa.org/userfiles/file/20210603050152.pdfIn PDF document text
  • https://noddy.nu/images/file/66588187861.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6719995918---fixajupedegugabajukefu.pdfIn PDF document text
  • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/0l8iee7prodvef91a1a7jkou41/45429731870.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/c5634ee71ad548e682d74b13590c4f4b/67865118780.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/8609746891.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b037725892d---17631271464.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/3p0fib1fmfv9c4c6k1lqqgmt3n/72686108142.pdfIn PDF document text
  • http://sevimticaret.net/userfiles/file/6369217902.pdfIn PDF document text
  • http://divodizain.ru/ckfinder/userfiles/files/38947023149.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bea8aa86d8f---68832043020.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/sujubilituvudakuvedew.pdfIn PDF document text
  • https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/lawemi.pdfIn PDF document text
  • http://senn60reunion.com/clients/876260/File/73632180429.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160adb312319b6---pebijozitasabefifamubase.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/xazawirileriwerevizuvavak.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/5910060810.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/pinabunasegi.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/9t5eu2g3l1pgbggds1pkbgoih1/xadebureduxonive.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/de144ea935aa40dbdc733c232da3ac5c/92290567758.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/kigugutotogi.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/mupojobuzakike.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210712221359_18310287.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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