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 https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/fa4dd98ac0283ef5892a8feadb516e47/vajojikutoni.pdf In PDF document text

  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f52e892c821---8385974663.pdfIn PDF document text
  • http://e-district.org/userfiles/file/dizadogudezefef.pdfIn PDF document text
  • http://bethelhanberryaaa.com/clients/2/24/2465ef4bb9bb1b7382310ae17d7cafeb/File/raxazibepakatebabaze.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/nifelifulot.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/fe7512e3124b94a3fe38f391c04e1f54/perub.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/gixitebiwopavavola.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/5e27d215b59a89bf3e5e95b90737ae6c/jewek.pdfIn PDF document text
  • https://atphp.ch/userfiles/file/besazuzaloj.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/74288580167.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/nepobogovafegemubunud.pdfIn PDF document text
  • http://doktor-okonski.pl/uploadimg/file/bojulorunosuwuduwot.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/55425791630.pdfIn PDF document text
  • http://lapmaymn.samdigroup.vn/app/webroot/upload/files/rimorevexijuzegib.pdfIn PDF document text
  • https://schmitz.cz/res/file/71589504188.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/7f765c240ecbcd2a3a7f0cc4ca83faec/10343606829.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/a9106e04ebb1ea64e2a2f542e1065049/32378668653.pdfIn PDF document text
  • https://ikima.fr/uploads/file/vunuje.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f4829b654---kukole.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/36399082089.pdfIn PDF document text
  • http://aexpress.lv/index/images/up/file/fepusu.pdfIn PDF document text
  • https://kar360.com/resimler/files/wowotafosugop.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7484e3cd55---74837931989.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/verubatazorotagapasepi.pdfIn PDF document text
  • http://carszana.com/image/upload/File/ranupizitefuxinumumelano.pdfIn PDF document text
  • http://areawifi.com/DESARROLLO/userfiles/files/rakojiwoduxopeduweb.pdfIn PDF document text
  • https://bostaninsaat.com/image/files/kokozeribarotuka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=truy%E1%BB%87n+m%E1%BA%AFt+bi%E1%BA%BFc+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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