Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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 http://shreejians.com/userfiles/file/51545442781.pdf In PDF document text

  • http://phs1961.com/clients/2/29/29da8dc1278d8f1c58a3d16208bcb4e7/File/21627632830.pdfIn PDF document text
  • http://rymwid-training.com/userfiles/file/45292841673.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/5fbefc4452442b6727bd7e325d6970f3/64050421699.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160866fc62ee5f---3137783721.pdfIn PDF document text
  • http://breakevenpoint.pl/uploads/editor/file/19037070913.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/41f77f507f00128077f7342d0301b4bc/gusujadewumuwedos.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/47753526301.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/39663234946.pdfIn PDF document text
  • http://dexgerm.com/data/file/userfiles/files/wowabawalofim.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/mopezi.pdfIn PDF document text
  • http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/29867968142.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1622414549.pdfIn PDF document text
  • https://bititechnika.com/uploads/file/bugodosewujoju.pdfIn PDF document text
  • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/a331608f54005fd32a3c2e6bb89af454/buvelunekovebosamodisuzet.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/ac024d33d761ee2aa1344825cc4e7e5b/forugixog.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160b07ae92403e---simab.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d539aa286---92548136632.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/9a4e2fa0a454fb143ea916284e2fc5ec/44781621406.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f354aea72f---77243227942.pdfIn PDF document text
  • http://prof-cosmetics.com/upload/files/90028531662.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/0e1i3l62i8bb8mhfdjb784hlpj/85179763585.pdfIn PDF document text
  • http://shield-in.com/userfiles/files/29924986171.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/21777689682.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=convert+photo+to+pdf+online+for+freePDF 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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