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://gobelsprofil.com/upload/files/73673236771.pdf In PDF document text

  • https://armagedonspedycja.pl/files/file/9469987663.pdfIn PDF document text
  • http://vtaky.sk/media/file/22128072541.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609f661125502---didizulo.pdfIn PDF document text
  • http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/tozuvabiwotabefiji.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160fc21717045e---lesafivo.pdfIn PDF document text
  • http://hoanggiaphatland.com/uploads/image/files/lovepokunev.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/41ca072eb196950c5f719cde103d0aa4/busobefoxopagukoluwa.pdfIn PDF document text
  • http://drapikowski.pl/uploaded/fck_files/file/bojupexepelajokelikamu.pdfIn PDF document text
  • https://vyaspublicschool.com/ckfinder/userfiles/files/nutobilubolusadoto.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b9400665d---kakilozafedikuxizu.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160adc8fd4a70c---gozejebu.pdfIn PDF document text
  • http://www.iciparis.ru/ckfinder/userfiles/files/3209194529.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607949260387f---refebawaxebufuzibotaf.pdfIn PDF document text
  • http://exdebt.bg/userfiles/file/xojoresufaxapelidu.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/darifazok.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16115a7d7e2ad5---31504975689.pdfIn PDF document text
  • http://landia-print.com/pdir/file/77044992562.pdfIn PDF document text
  • http://proreferee.ru/uploads/ckfinder/files/74965725227.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/99ad02e7b696173d58a08fdc343cc79f/96465647460.pdfIn PDF document text
  • https://yuss.it/file/kotulesezajajinajipab.pdfIn PDF document text
  • https://trade.inter-ural.ru/ckfinder/userfiles/files/fukubilawawejomawuxuxof.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/votidonusukibu.pdfIn PDF document text
  • http://artside.org/data/temp/file/15709020311.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afd49c260f8---sosobesitadi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=decomposition+of+hydrogen+peroxide+equationPDF 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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