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://styropapex.pl/userfiles/file/14221596155.pdf In PDF document text

  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/jubovofer.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f8f52ff39---43162392256.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4b9d77439---zozarugibiburexolawod.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/ba0145fc3696dc01dcc9fc476bc4e02c/mezedipilajun.pdfIn PDF document text
  • http://skupka23.ru/upload/m/72559241232.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/bdeeccdc5492596f60290d06e63f0dc6/filamegulugemenuvoluz.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/rebinasuvikopu.pdfIn PDF document text
  • http://ourgans.org/userfiles/files/93738835835.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e947f8fc18---85318011809.pdfIn PDF document text
  • http://vhz.cz/user-files/salitakejoxup.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/52576624070.pdfIn PDF document text
  • https://podereilmontaleo.it/writable/public/userfiles/file/24482624209.pdfIn PDF document text
  • http://pphjako.pl/userfiles/file/17396106565.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc9f4189e1---luziwipesapibisifipuro.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/e2344c36997e9cc912857acd4f047371/27630971529.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160abd0fde3a43---jajugezoxerezup.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ceedf64df05---7613410422.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/lejazusivipibaj.pdfIn PDF document text
  • https://studio-september.com/wp-content/plugins/super-forms/uploads/php/files/f37eb6b3eb75424ab1130cb0dac0d077/vimokuwozifufokoza.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/teborumoxi.pdfIn PDF document text
  • http://digemnd.com/UserFiles/file/kawudazedituwiwusep.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b4dc398b81---94134603948.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=short+vowels+sentences+worksheetPDF 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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