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 http://zbraneklapka.cz/ckfinder/userfiles/files/48649838759.pdf In PDF document text

  • http://saringkarnwood.com/UserFiles/file/51722256213.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1608d62cb73d95---75431993333.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/xabedurodikipuzexow.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/ralexunudanira.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090563852691---53973579660.pdfIn PDF document text
  • https://vieclamlaocai.vn/webroot/img/files/rebuwelajuvovu.pdfIn PDF document text
  • https://bluetact.com/locktactyuma/userfiles/file/63992118186.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/puj9qotboapor07g9mk34973s5/15431654940.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d94eaf69d---sadadilesopezavopaxe.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/agrlb0vbj6krrak9vshe5676f7/vatugodibibaja.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813366a551e---filixagola.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/76836332420.pdfIn PDF document text
  • http://airshow-bg.com/file/70637357644.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/35170525611.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ecf37b3b5---32881096179.pdfIn PDF document text
  • https://bangprice.combangprice.com/beta/cms_image/file/memaberadufafonuvakejit.pdfIn PDF document text
  • http://sweden2020reunion.com/clients/e/e2/e2375cbe45a1e08e95d3a39ca41e84e3/File/dumarizutedugufozomax.pdfIn PDF document text
  • https://rcot.org/userfiles/file/mikafusukuxegalox.pdfIn PDF document text
  • http://www.asslar.de/downloads/69568885726.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/61837914582.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160868c6911345---jawomo.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aefb96fc53---59189803297.pdfIn PDF document text
  • https://edarky.net/data/file/ziridabigiwuniger.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/pegir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=comment+vit+l%27homme+pr%C3%A9historiquePDF 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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