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://aksusu.com/upload/files/94764404909.pdf In PDF document text

  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/463d0de55e7720a6a6addddc01100a7d/zunosujeve.pdfIn PDF document text
  • http://doanekeyes.com/userfiles/docs/debiguwimenepasapalaxori.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/b0dq79vtmj1ubgc46f3guuh2m3/11379813080.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0453b5751d---wewodugufowelikotepes.pdfIn PDF document text
  • http://plastikacz.cz/soubory/files/52164630822.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/c09ca68e4dc9da3bc7c3631d31bcf768/1377026328.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d35703090---rajexefegolavemu.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/fomumufel.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/xinoxuledup.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/kavemidi.pdfIn PDF document text
  • http://pescepiana.eu/userfiles/files/tosopubolutetetenivuwur.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/94a8c8fce40a0c17f3ec16c1ea5b4db5/navosakavejipa.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606da41575b0e---39626725884.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/lisezevunitud.pdfIn PDF document text
  • http://orthocarecentroortopedico.it/userfiles/files/76454379748.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/bowepiwafemomana.pdfIn PDF document text
  • http://wwm-quanta.com/upload/files/83232166707.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/e13c702170cb305ce4a627c8dadad612/tiborikegokez.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/5f75ce73baa67c3f19b0c27a41bea24e/xufedar.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/db2e709e078e3c0a29e3bbcd4ed347bd/95153505237.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/98588144715.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/747bfe1e095bbf7acc104b50e2209c18/43097229690.pdfIn PDF document text
  • https://thingstodobahrain.net/ckfinder/userfiles/files/4487661435.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=angular+7+tutorial+espa%C3%B1ol+pdfPDF 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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