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 http://delannahotel.com/user_img/file/4338292907.pdf In PDF document text

  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/5e473839220e5b970d2f70383c3d57f7/kasidesatefifejarutu.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/12344392683.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/2d9330145c4a6f48a842533511605454/waxilepumisozujixodev.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/9mbh2rbrn4utp2ns2lnpppt5k9/mamerisipunewokuwoj.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/80419991289.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f2c60fd99---67781588017.pdfIn PDF document text
  • http://tvsatkrosno.pl/userfiles/file/26975741926.pdfIn PDF document text
  • http://master-sign.ru/ckfinder/userfiles/files/83317019147.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/0f6e11dedf6e2543b60c5939306ccd15/78768338413.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/39978643702.pdfIn PDF document text
  • http://csc0311.com/userfiles/file/20210808124456_3idzms.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/jiduwaguxetukavolose.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/6b1702e64f5c7eb1a52d953e6f2bfe1c/7332801386.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/fokuloloridabibanojuz.pdfIn PDF document text
  • http://glcore.net/ckfinder/userfiles/files/liwakitagumimuz.pdfIn PDF document text
  • https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/58403291207.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/magusuz.pdfIn PDF document text
  • http://briarcliff68.com/clients/71184/File/girosexelezef.pdfIn PDF document text
  • http://rh-h1tapi-turbo.com/contents//files/70550793181.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/vikutuzufebozizovon.pdfIn PDF document text
  • http://thecobbfr.com/clients/4/43/4363d5a08aa72aedcf7f7d4dd0675897/File/72999888747.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/62d285b25ec650ab1dc419f0b9fca2ce/45888785465.pdfIn PDF document text
  • https://media-get.ru/userfiles/files/25093696642.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/midadifunemi.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/ganorilikafotopuxidikog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=family+quiz+night+questionsPDF 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.netReferenced by PDF JavaScript
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

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