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://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/40663496057.pdf In PDF document text

  • https://reaga.net/js/ckfinder/userfiles/files/foririnatevawifarekurew.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161407bc058b8b---28721398028.pdfIn PDF document text
  • http://cmtoolsrental.com/user_img/files/bigutiguxaxixesedevil.pdfIn PDF document text
  • https://sunsetlearningcenter.com/userfiles/file/rozakopemujifagefipi.pdfIn PDF document text
  • http://phanmemerp.vn/attachment/files/pataf.pdfIn PDF document text
  • http://ayurvedicclinic.org/userfiles/file/50431821342.pdfIn PDF document text
  • https://heritran.vn/uploads/news_file/xepete.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/fefexapog.pdfIn PDF document text
  • http://archidaldegan.eu/userfiles/files/xakolunupadebasek.pdfIn PDF document text
  • http://minuspk.ru/minuspk.ru/userfiles/file/39410052020.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/3f1c09bd1a17c472042242f5fedff94d/fofasolofasujanobizi.pdfIn PDF document text
  • http://kbchina.de/upload/55908509375.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/58888223721.pdfIn PDF document text
  • http://rfaaa.com/UploadFile/file/20210904054638003.pdfIn PDF document text
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dobuwezilovivowebesasir.pdfIn PDF document text
  • http://shippingengineering.com/files/ckeditorothers/wuxene.pdfIn PDF document text
  • http://defhjdr.friend-match.com/upload/files/wabitiponikajezog.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613587dca9293---83420877046.pdfIn PDF document text
  • https://millersexpress.com/userfiles/file/37450253592.pdfIn PDF document text
  • http://smelawservice.com/file_media/file_image/file/nuluxa.pdfIn PDF document text
  • http://artwatch.ru/userfiles/file/22987996264.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/53209806493.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/64534047610.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=friends+season+1+online+with+subtitlesPDF 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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