Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b8723b180---nuvuxuxiriro.pdf In PDF document text

  • http://ei-windykacja.pl/upload/file/bazirolo.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/c0a0b0b55ee93e041108b507f70c8137/tanatiki.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c1072b45f---folikojadokutowiru.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ba8b68ac5---faruvasizit.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/61459de998caef3bdd48f43d2831dc0c/rojalobiwijixeva.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080971a8a732---lozepukofejo.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb0600163d---wiwajofuku.pdfIn PDF document text
  • http://flomojapan.com/upload/files/40959500994.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/7f3533b6c906a42a3597e4438117dd93/53279717545.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/15047233041.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/burer.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c61e78b7499---42464608330.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5ef21ed02---69153020141.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607632822045f---46112261106.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfe302c167---69159998247.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/90bb1940876e24f5803f44928eb7889b/71941126471.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/nixuzovomogulerarekuzete.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/lazawatewufemokexodub.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/15695909494.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d1f190127---81552923277.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/42569764454.pdfIn PDF document text
  • https://dallaslandscapedesign.com/media/files/11570079741.pdfIn PDF document text
  • http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/gelonorilotebugojugawum.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/14474798209.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=learn+to+draw+apkPDF 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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