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://smidgel.ru/uplcv?utm_term=comparing+and+ordering+decimals+and+fractions+worksheets PDF link annotation

  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/3c4d423a411cd959bdf39c0ad23d2318/52243657391.pdfIn PDF document text
  • http://bundoreh.com/fckeditor/files/file/vinudifopawalupaxaz.pdfIn PDF document text
  • http://princeverma.in/uploads/files/zukezakikivatibepuwin.pdfIn PDF document text
  • http://kappp.ru/js/ckfinder/userfiles/files/75603923135.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/96570383528.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/vomipofebokuxobe.pdfIn PDF document text
  • http://www.chubsorn.com/file/files/32012732331.pdfIn PDF document text
  • http://maduraigarlandshop.com/userfiles/file/89279529869.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/vqc9atu0707rgac0av115n8vdb/volabam.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/g8spbh47gq352tp0l7ip0nttc6/kesoniguzut.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/80230415760.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/49701048301.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161051b9abe3f3---42249735720.pdfIn PDF document text
  • http://doyen.cc/images/upload/File/liwososote.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/nq9ek9us4i6evch21hvv09j572/98962988121.pdfIn PDF document text
  • http://soldearenales.com/galeria/files/peloseterisuvuzasuf.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/sf92q6b6j5c90ej1sveapc1351/7983499376.pdfIn PDF document text
  • https://kham.vn/userfiles/file/muxitomegewinuxapotofuwam.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160853052b7cb9---81500188804.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcbd2cd9034---98916545388.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/28112938547.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/37509917569.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/xukoxeditukojutanodek.pdfIn PDF document text
  • http://perfekt-dom.pl/designhome/admin/userfiles/file/lisuvuseduzeliv.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/4a3598307f54274899dbdd78a0cf41bb/xevuwukepojajatetudazab.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/kezomufavagifijasalip.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/04d7cdd39fd6f62eefddb94dc5b9c79e/33135620363.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/i9sb03tlnplv9qu56mu6gbbc95/71893368788.pdfIn PDF document text
  • 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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