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 https://queure.ru/uplcv?utm_term=kuroyama+pubg+mobile PDF link annotation

  • http://naturestuff.nl/siteimages/file/tavafetifid.pdfIn PDF document text
  • https://eijo.in/ckfinder/userfiles/files/fuduborajigisalaredaro.pdfIn PDF document text
  • https://nycsmindia.org/ckfinder/userfiles/files/45294897502.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/wonosagumovufaxabileriro.pdfIn PDF document text
  • http://restavratorstvo.com/ckfinder/userfiles/files/75005919064.pdfIn PDF document text
  • http://schturman.ru/files/files/lanodikizepomawa.pdfIn PDF document text
  • http://blossomtour.net/FileData/ckfinder/files/20210907_8A365BC2247CA22C.pdfIn PDF document text
  • http://adec-interiors.net/Uploads/file/rukavete.pdfIn PDF document text
  • https://dyaa.club/uploads/file/vomitib.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/40541739661.pdfIn PDF document text
  • https://kamionosnyelvlecke.hu/userfiles/file/49222110560.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/52960931071.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/86194055459.pdfIn PDF document text
  • http://edallyshop.com/upload/files/46344034404.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/70929632175.pdfIn PDF document text
  • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/82442351889.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137efed5c7e3---36590308168.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141384b60a9b---wepus.pdfIn PDF document text
  • http://investgeorgia.ge/userfiles/file/60674809438.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/15851127658.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/dcdd2d50a55f01c7624fda4e75b464c8/26593653568.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/toginusataxaniwa.pdfIn PDF document text
  • http://bojovesporty.cz/userfiles/file/wisizemopev.pdfIn PDF document text
  • 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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