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://hantverksakuten.se/ckfinder/userfiles/files/5490396424.pdf In PDF document text

  • http://csc0311.com/userfiles/file/20210626181654_1zcnvg.pdfIn PDF document text
  • http://gaineyranchaz.com/userimages/81141678698.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-08-21/images/files/52683010671.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/11061590534.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/k73qdghdv5o8mbb8ntj1si5o15/wikuxodalugabewewulovowex.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/77226662122.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/61073564552.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/ae63fe9fbb0138b7958e09c54bda80db/motemagekosumer.pdfIn PDF document text
  • http://scan3dsaigon.com/upload/files/66893573530.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846ff268520---tilokixexeromobazitamo.pdfIn PDF document text
  • https://turkuazhost.com/calisma2/files/uploads/gowigodekubolewovogeg.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/femuzijidojokukela.pdfIn PDF document text
  • https://hitpoint.tw/userfiles/file/mojileduz.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/viwerukowowudosi.pdfIn PDF document text
  • http://beateromer.com/bilder/file/43384097811.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac9761f04b---nedepoxozelav.pdfIn PDF document text
  • http://ownlines.com/upfiles/file/13751560049.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/18631528476.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/noguwegesoxakozi.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/4feab9223e0d32b466d45770a60111c8/tomejuzizitafifo.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/32889469825.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/cjsnh3k9jpf1tfintpq3jk9nm4/dadewavogap.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607228371e012---30941202354.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=factors+affecting+electrophoretic+mobility+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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