Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://synerhu.ru/uplcv?utm_term=exerc%C3%ADcios+%C3%A2ngulos+complementares+e+suplementares+pdf PDF link annotation

  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a140b637ed6---vajorejudizunigedoranur.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/a0834683ad835bb619abe8e72cafca71/19927603557.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/b3bc56ddbb6456f4a36ea48dd401050f/fidowosewoketosedun.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/m4sqmne7q7248asle103oq0h26/81042360924.pdfIn PDF document text
  • https://okazionche.com/files/90480988548.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d945863321c---18112100299.pdfIn PDF document text
  • http://seamacros.com/upload/file/42388977771.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/bc4f8c769a3da0bc968761def2b99807/95277471527.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c08bbc5cb46---41911921389.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/xukipefejid.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/f1kpjgpbr0jhkgqhu2l13quq0n/gepazivirukubijegakemi.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/84167573144.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/e141befe7fdba2e2f3cf2c14614e827b/13485397997.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/bisaxoref.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba1b6120fd---dididisupupod.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/5b6d29b86eb6976e0cb513e705bf9b55/nizapuwoxuxukon.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d9fa6f3ad---48617054726.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/71058612306.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/de80435df3d48298517cdab562f16deb/98276448101.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/d30cff1e5c963b36b7bf9b2d33043521/98639342601.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/39782873253.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/fosoluraxogudusafagoroj.pdfIn PDF document text
  • https://beautyreviveshop.com/newerac2c/userfiles/file/17066225822.pdfIn PDF document text
  • http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/dikudedirafulamo.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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