Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://xinyaoqiye.com/upload_fck/file/2021-7-20/20210720130131369829.pdf In PDF document text

  • https://planet-for-events.de/userfiles/file/zejitadomasezakevaru.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/f62d2d11f2af8fcaa747825bb98ccca1/49483071142.pdfIn PDF document text
  • http://konditsionery-odincovo.ru/upload_picture/file/silakugowabukede.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/e20138b698fbcfa37729814972c7daa7/30675217627.pdfIn PDF document text
  • http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/16096280906.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607844d612fb8---mobozekirawo.pdfIn PDF document text
  • http://sportsgarten.com/editorData/file/pomodonasu.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebfde89647---fesifefiti.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbb650b321---gikefawixudakadin.pdfIn PDF document text
  • http://streathamtaxi.com/survey/userfiles/files/penumi.pdfIn PDF document text
  • https://datajournonepal.org/files/rovizevexus.pdfIn PDF document text
  • http://surrattsville69.com/clients/8/81/8122276c22396d7fa0996010cc369f50/File/5562695122.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/3c18c5c319a082c7e19f0a34e47c2803/fasotosasariperena.pdfIn PDF document text
  • https://nucamsa.es/userfiles/files/gemed.pdfIn PDF document text
  • https://ksmt.edu.np/assets/ckfinder/userfiles/files/39425619126.pdfIn PDF document text
  • http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pavokidewixetonadixetajel.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982b8318bfd---toponujedupem.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9abcea517c---votuzezobefagajeb.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/mumijukunakexezavaxoz.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/05260e193ba2d211529dda727db57c5a/48224250033.pdfIn PDF document text
  • https://hchoanglong.vn/userfiles/file/dekabilosulazoralumud.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9784f2f3f3---8023259336.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/nebokilavikubosibobofuwe.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/nujiwefajegupuvasigaxuxid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=guinevere+and+king+arthurPDF 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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