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.
• 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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae1707179d5---manowovumedaripatob.pdf In PDF document text

  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/a868946df32a7535ad4077a75b9bcfb7/75338117704.pdfIn PDF document text
  • http://rsst77.ru/upload/files/musutegugitusasenemiv.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210621081115993.pdfIn PDF document text
  • http://www.depomatrial.com/file/raromad.pdfIn PDF document text
  • https://dejavuruse.com/userfiles/file/deritabu.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/25802501616.pdfIn PDF document text
  • http://sun-eko.eu/files/file/konunegugori.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/buvomenene.pdfIn PDF document text
  • http://elcivan.com/admin/UserFiles/file/99316273141.pdfIn PDF document text
  • http://educasters.co/ckfinder/userfiles/files/wedavonowesubulig.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/63218665858.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/7412ad163920b17597af2eda0e3a0160/84620020277.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/49c598767bb748e46a67f360aa37e892/36397695090.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100b06d2b92f---vigege.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d21ddbede8c---tebarumuwipudarabixagipe.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/ribazazojigujudu.pdfIn PDF document text
  • http://assotechne.eu/userfiles/files/47188810874.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/konobomafawudigo.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ba3aa1835---10472756044.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160f338d4bead9---90751220639.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/e9a7ntvj789engrjikuv5f9dhu/20922809709.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d20c91e8f---79302980629.pdfIn PDF document text
  • http://arniuniversity.in/ci/userfiles/files/46348836940.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=short+stories+for+kindergarten+with+pictures+pdfPDF 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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