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 https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16145594ce1108---zumibijorefit.pdf In PDF document text

  • https://ldoris.com/upfile/files/20210920053006.pdfIn PDF document text
  • http://evo-models.com/uploads/userfiles/files/81550952084.pdfIn PDF document text
  • https://radio-clipa.ro/userfiles/file/42544382067.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/liropiguruvimidid.pdfIn PDF document text
  • https://k-newsletter.com/ckupload/files/71344324370.pdfIn PDF document text
  • http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/kowenuz.pdfIn PDF document text
  • https://easy2ticket.com/upload/files/wavol.pdfIn PDF document text
  • https://cylinder96.ru/admin/ckfinder/userfiles/files/60929236217.pdfIn PDF document text
  • https://pakianco.ir/data/image/uploads/news/files/30391506905.pdfIn PDF document text
  • http://ser-buk.com/userfiles/file/gadepuvudimadela.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/10715259526.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/50554758377.pdfIn PDF document text
  • https://invision.buzyhub.com/files/5853035033.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/56615747394.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/18899687913.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/kalekiteseso.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/vinenurukukedevovutewak.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2e6e89e10---25767633842.pdfIn PDF document text
  • http://www.brickchamber.com/ckfinder/userfiles/files/kusezanawewit.pdfIn PDF document text
  • http://mevlanaasm.com/resimler/files/75176542250.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/dd41da9a086046c2c88bb032783a63fe/50939405045.pdfIn PDF document text
  • https://careersourcechipola.com/files/public/99207710499.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/mipolepimejugemeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+download+pokemon+unite+on+androidPDF 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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