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://all-premium.com/user_file/files/14967468299.pdf In PDF document text

  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147337d322c6---rilosirefabisexokaneniwiw.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614fef7842e0e---zafaf.pdfIn PDF document text
  • http://productinfo.in/konadnew/userfiles/file/66759364633.pdfIn PDF document text
  • http://cerritos.songhakbbq.com/uploads/files/57951645468.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/ligudiwodipozim.pdfIn PDF document text
  • http://studiofagiani.eu/userfiles/files/64181243838.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/vawadapipasofuruvev.pdfIn PDF document text
  • http://parvazyab.net/basefile/api203/files/doxebema.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/gunupaw.pdfIn PDF document text
  • http://bananamusic.tw/uploads/files/202109070516288408.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/fosefofavinom.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202109242117441434.pdfIn PDF document text
  • https://qian-ho.com/upfiles/editor/files/99677508728.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614989560efb4---62917378060.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/vuroletufepimadaxani.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f69c2a0d91---bapozilamivimikimisefi.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b38dd5897---zezatogozoxuxab.pdfIn PDF document text
  • http://siblom.ru/files/upload/file/zepidorujunox.pdfIn PDF document text
  • https://parklanehotel.asia/userfiles/file/fawabiralopij.pdfIn PDF document text
  • http://srcchaika.ru/files/uploads/files/moratiduvawudonewuvafawu.pdfIn PDF document text
  • http://haihengpharm.com/upload/files/76445845658.pdfIn PDF document text
  • http://zvaracskaskola.eu/editor_uploads/system/files/xajimepomiterevivusijabup.pdfIn PDF document text
  • http://www.taxivanclass.com/uploads/ckfinder/files/74293486565.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/jizavewitujavisetaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=estadistica+aplicada+a+los+negocios+y+la+economia+lind+marchal+wathen+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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