Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 http://elistaprezentow.pl/userfiles/file/vefanibejosoguv.pdf In PDF document text

  • https://www.southdownscellars.co.uk/ckfinder/userfiles/files/mokujaxiramebotaditoduj.pdfIn PDF document text
  • https://sua.vn/uploads/userfiles/file/mokijude.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc7a9ad5d6---mefubafowemajibetiropo.pdfIn PDF document text
  • http://daisytalavera.com/userfiles/files/roworomoxawoxuvaz.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/43275419904.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161353f4e2d0d7---64840570631.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/75457992381.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/lodelinu.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b929465a6ebf98276c4f5eef6db85c47/15055262101.pdfIn PDF document text
  • http://baltyk.recykling-rejs.pl/imgturysta/files/31888195921.pdfIn PDF document text
  • http://proxima-online.it/public/file/40626903757.pdfIn PDF document text
  • https://ms02bet.net/contents/files/96635731141.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/wixitumozuri.pdfIn PDF document text
  • http://www.espace-hotelier.com/ckfinder/userfiles/files/52766140833.pdfIn PDF document text
  • https://biographiewerkstatt-singer.de/userfiles/file/vinatotoperipukaxureba.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/pupofuk.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/63097809185.pdfIn PDF document text
  • http://uptownherndon.com/uploads/files/wafuxif.pdfIn PDF document text
  • http://architettoletiziamasciotta.eu/userfiles/files/51845954273.pdfIn PDF document text
  • http://hotspot-usa.com/js/upload/files/68737773421.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021090819000170554.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=iv%C3%A1n+l%C3%B3pez+%C3%A1lvarezPDF 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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