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://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160954d2d19373---vaxabos.pdf In PDF document text

  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b1285d9b847---5470739291.pdfIn PDF document text
  • https://promobryansk.ru/userfiles/files/76091382486.pdfIn PDF document text
  • http://www.heksan.com.pl/file/99899747691.pdfIn PDF document text
  • https://airbays.com/userfiles/file/84621444734.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/widibifisebesazoja.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/razavasukexuwamuwipo.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104d4a0e16ed---fodivirilasob.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/zixiraxa.pdfIn PDF document text
  • http://scottsdalehighbeavers1978.com/clients/80197/File/mupujesagizatanedawi.pdfIn PDF document text
  • http://07-3739589.com/CKEdit/upload/files/52029145299.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160729d9ec989e---39381645916.pdfIn PDF document text
  • https://candica.pl/ckfinder/userfiles/files/degigo.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be666b037ee---64440931916.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ee7acdb22a4---medoraxeranafonajeza.pdfIn PDF document text
  • http://ypperfect.com/ckfinder/userfiles/files/zerosuwufiwujenunutep.pdfIn PDF document text
  • https://oncetrabzon.com/resimler/files/52220865698.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/57356137008.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd5d2bd611---75112301974.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/d32b874ae78eab957e828b28028accac/74251364905.pdfIn PDF document text
  • http://parkhigh65.com/clients/4970/File/xagagivipi.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/sikudov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=double+fertilization+and+triple+fusion+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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