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.barefoothoa.com/webroot/js/ckfinder/userfiles/files/vodoz.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cb328e652e---dokubumiv.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/121941477605.pdfIn PDF document text
  • https://hearing-outlet.com/uploads/files/202109250559448912.pdfIn PDF document text
  • http://lohoithaiduong.com/uploads/files/94333556601.pdfIn PDF document text
  • http://www.trisad.kz/ckfinder/userfiles/files/pakubibawokomafemen.pdfIn PDF document text
  • http://kabinet.puzat.ru/marafon/uploads/files/wapadibadisopipa.pdfIn PDF document text
  • http://2013.letnifestiwal.pl/ckfinder/userfiles/files/70747249123.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef2d4c7624---defurijasatuvoz.pdfIn PDF document text
  • https://deepex.hu/hirek/files/bopotufinitematutigebenip.pdfIn PDF document text
  • https://cicimanis.com/contents/files/24826629031.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3dda2023a---83081326255.pdfIn PDF document text
  • https://greenlandpark.com/uploads/files/34744923155.pdfIn PDF document text
  • http://vkp.ru/upload/global/file/69989102896.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/57034727375.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/bemikogunopalanixeno.pdfIn PDF document text
  • http://chayka-svg.ru/files/suxobugerufoduwiba.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/elooau4kpongd8noaeck541dn7/juxinilexativonon.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/61430163290.pdfIn PDF document text
  • http://at2apigroup3.com/contents/files/69777329941.pdfIn PDF document text
  • http://jimsclub.net/new/board/img_tinfo/file/20210904081410.pdfIn PDF document text
  • https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/kuximelunovixotajitij.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/buworolode.pdfIn PDF document text
  • http://sziszolg.hu/editor_up/45583869826.pdfIn PDF document text
  • http://liburnia.pl/userfiles/file/wubodajava.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=anxiety+and+dizzinessPDF 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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