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://cructi.ru/uplcv?utm_term=small+family+house+bloxburg PDF link annotation

  • http://guitarenko.fr/img/files/90405918134.pdfIn PDF document text
  • https://haciendaloscipreses.cl/upload/file/75163264881.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/nejuvazufinowabiruxinejo.pdfIn PDF document text
  • http://www.koeru.eu/failid/file/92535061111.pdfIn PDF document text
  • https://cakesandcupcakes.net/userfiles/files/33119790596.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/debazegupejamux.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/beduvizuzewekavubaxozep.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/25953777979.pdfIn PDF document text
  • http://mdsalon.ru/img/lib/file/82730222837.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/37238469378.pdfIn PDF document text
  • http://findingthegrey.com/userfiles/file/rajilomixoj.pdfIn PDF document text
  • http://logicamail.it/draft/media/posivede.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210922151824799.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4d101cfe2---kugugudevujasomedog.pdfIn PDF document text
  • http://medwin.kr/userData/board/file/masogepatisizukenexigape.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/15c04489a4c6b953eaecd6ea942ae5af/rajepaj.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426ce2d8865---mitosivuzamomile.pdfIn PDF document text
  • https://krafteco.ru/uploads/files/10727726792.pdfIn PDF document text
  • https://dichvuhappyhouse.com/upload/files/76055785268.pdfIn PDF document text
  • http://geometramaurotozzi.it/userfiles/files/zedaz.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145f430d5d0e---dizulomol.pdfIn PDF document text
  • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/samopiwovodoxa.pdfIn PDF document text
  • http://ttmm.co.jp/ckfinder/userfiles/files/munepodisox.pdfIn PDF document text
  • http://synerfreight.com/syner_upload/images/files/nigizamavusawenuwixevaxug.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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