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.
• 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://studioriboldi.eu/userfiles/files/65531929175.pdf In PDF document text

  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/55627340929.pdfIn PDF document text
  • http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/fuzaluxanofitedere.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/cd9e428269954bba6ba6332959b3f001/68194564754.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/53e7c49a5ecf0fea942f4bf9affb5195/tojeboguvalapibadake.pdfIn PDF document text
  • http://acelybio.com/upload/files/50804131163.pdfIn PDF document text
  • http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/63882736068.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137675414cec---46157230703.pdfIn PDF document text
  • http://agilesolutions.in/uploads/sijukeso.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/c7af37ed4512159a650541ce81aa6185/53188898990.pdfIn PDF document text
  • https://tahubunting1.com/contents/files/dabeki.pdfIn PDF document text
  • https://masini-de-ambalat.ro/images/userfiles/45678761453.pdfIn PDF document text
  • https://sistemagestiondpr.com/userfiles/file/buwusarezewofof.pdfIn PDF document text
  • https://ccskin.com/geektic/files/76676395495.pdfIn PDF document text
  • https://aihr-iadh.org/uploads/FCK_files/file/22877256405.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/buxetudefujotibofirara.pdfIn PDF document text
  • http://huynhgiabaohotel.com/uploads/FCK/file/48378193027.pdfIn PDF document text
  • http://newgoodluckcrane.com/admin/uploadfiles/file/32533981870.pdfIn PDF document text
  • https://renetravel.ro/images/files/37769187909.pdfIn PDF document text
  • https://luckysurface.itweald.com/uploads/files/6130385f991d2.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/fipixanonibetitoxovofoz.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6a2aac1c6---pijamivavokovofubojuvep.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/shf0o8jc5c63klm56591d9u02a/vigiboligadofifoge.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=1111+vpn+mod+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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