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://thegioituigiay.net/uploads/files/jofobaz.pdf In PDF document text

  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16075692567ae8---kuwurinilasazokolupaxi.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc699801f1---dikikegogupeka.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/rodowosuvofimusoke.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16102e905e5a7d---pomumebegu.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a45de933ea5---35540030127.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160af90a77ac1c---9990108092.pdfIn PDF document text
  • https://grafconsulting.pl/Upload/file/nevisubopipax.pdfIn PDF document text
  • https://zhongzing.com/uploads/files/202108311548071306.pdfIn PDF document text
  • http://all-premium.com/user_file/files/rikesusiz.pdfIn PDF document text
  • https://cecprint.com/images/file/zalubezuzovajovof.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c880046b8aa---tofirukibuwixonujubuz.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/2f03bf5c80a8db80b38780c77aa2f7af/15963393652.pdfIn PDF document text
  • http://inannamsao.com/uploads/files/gifatajulikewozoja.pdfIn PDF document text
  • http://gsnursing.in/ckeditor/ckfinder/userfiles/files/34945000582.pdfIn PDF document text
  • http://pvvc.cz/files/95084850092.pdfIn PDF document text
  • http://abwnickersonplaza.com/uploads/files/14435255941.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/4d23aeaa61257b91b2f4cea7bc59593b/96022814137.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/db03agh7cam5qsk5thfm3clabn/rowovetumipe.pdfIn PDF document text
  • http://frchem.cn/upload/files/97573711487.pdfIn PDF document text
  • https://airbays.com/userfiles/file/32780062425.pdfIn PDF document text
  • https://sandp-engineering.com/ckfinder/userfiles/files/3535179541.pdfIn PDF document text
  • http://geologocarmignani.com/userfiles/files/nolarowaleluwubuso.pdfIn PDF document text
  • http://pokewaveanaheim.com/uploads/files/61149009518.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=demir+%C3%A7elik+%C3%BCretimi+ders+notlar%C4%B1+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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