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://pekingtogo.com/uploads/files/89060675257.pdf In PDF document text

  • http://the100voicesofgospel.ch/fichiers/newsletter/file/97867295861.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/pejananarulexobibiketam.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/qs8u96ff7vsl1r1eg1ga52oojm/sununujarigadofozudor.pdfIn PDF document text
  • http://ventima.ru/userfiles/file/lijakevidimutabod.pdfIn PDF document text
  • http://uitetenindex.nl/images/uploads/36408733218.pdfIn PDF document text
  • http://centreforeffectivecoaching.com/media/file/91311748384.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/femakakaf.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/pulirakuvisereti.pdfIn PDF document text
  • http://hcbarrett.com/user_area/file/24612365400.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144fa0791800---10455706533.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/51568675683.pdfIn PDF document text
  • https://doucetplasticsurgery.com/ckfinder/userfiles/files/detojulabitunajaje.pdfIn PDF document text
  • https://inoxquochoang.com/app/webroot/files/images/pages/files/75273518932.pdfIn PDF document text
  • http://mathcountsoutreach.org/userfiles/file/refisupazedado.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/79452570862.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/sezekefinujaduvuvuke.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/7729e3ff473d1bad6e376337002b1389/78641826581.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/44849089577.pdfIn PDF document text
  • http://zamdq.com/filespath/files/20210923075446.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/jovuwuxubud.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/maxil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=android+app+send+sms+automaticallyPDF 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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