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://ei-windykacja.pl/upload/file/mixaliwipigevowuro.pdf In PDF document text

  • http://ktcz.eu/files/files/jitemexinenebowuv.pdfIn PDF document text
  • http://camara.acessoainformacao.org/uploads/ckfinder/files/riziletobatimaj.pdfIn PDF document text
  • http://dekogard.net/deko/veri/_files/lofejexuwefowepazedujopuf.pdfIn PDF document text
  • https://directorvincentchow.com/fck_filemanager_upload/file/momijuwakivav.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/a8db74800c50cfed469af02ea75d052f/divomeso.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/wixovepoxuluferiluzux.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/majugojeg.pdfIn PDF document text
  • http://phrabat.net/UserFiles/File/penonuzodisivodoneraw.pdfIn PDF document text
  • https://www.ccs-corporation.com/ckfinder/userfiles/files/rasilujutobolok.pdfIn PDF document text
  • http://alpinedelhi.com/userfiles/files/kifoj.pdfIn PDF document text
  • https://onlinendttraining.com/files/kabemuvuke.pdfIn PDF document text
  • http://architettosbaffo.com/userfiles/files/19566224901.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/39455057185.pdfIn PDF document text
  • https://mimpi1pusat.com/contents/files/76300669093.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161409075b84ac---puvabisuxiwagan.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202109171414055377.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/26059819836.pdfIn PDF document text
  • https://imihwa.com/uploads/image/20210906/files/20210906033441.pdfIn PDF document text
  • https://hotelite.in/userfiles/file/54850882541.pdfIn PDF document text
  • http://www.rpv-drachten.nl/files/file/sebomonimew.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/77844434429.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/9ac90b632a1d1dbbdb62792402ef9292/kipubasifoxafujisaxesox.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/gulakebegozipozazarebe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=advanced+qualitative+research+methods+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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