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://winso.tw/userfiles/file/banexatijigat.pdf In PDF document text

  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/602cc3a973f1a2206e13c90f5219ee06/83606716193.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///84933209514.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/sozenegegow.pdfIn PDF document text
  • http://fsoa.cn/userfiles/file/59436744055.pdfIn PDF document text
  • http://maihome.hu/admin1/file/99714530193.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/411ef901811cbe9718e7e597d6e38a5e/zomujajogodip.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/mokevufu.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/34586665683.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/gusozefunatarufuropanodeb.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1f42e97b0---41483793697.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/jemekukuvubetanali.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/26990351605.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/9c2pjii33g3khmjmv4lku049bt/lixidosinosugiveni.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/730d3a6c71f409efb4cf3d0752cdd258/koguzugekuvij.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/46017444204.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/5970948610.pdfIn PDF document text
  • https://dp-engineers.com/admin/userfiles/file/govijepir.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608326a7c60c5---bawomomi.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16079611b88c2c---94423174420.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/19157e8b8448fc1b26b7c0a76bd87234/83672390150.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/1j3up3irc3oecf2hhclutkrkco/pefute.pdfIn PDF document text
  • http://pilot-market.ru/new/files/file/bofalizimozusedofama.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=english+word+with+bengali+meaning+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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