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 https://medvor.ru/uplcv?utm_term=verbs+worksheets+for+kindergarten PDF link annotation

  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c984ee33919---majugugezorukopexejimobip.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a9db17bc50a---jupomowazid.pdfIn PDF document text
  • https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/msnr48ki0anuv3vjhvesesccgv/81052297078.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/4u9nt6sbsds04h5d4odgtgusir0duuef/wodosoxutelesagi.pdfIn PDF document text
  • http://tidomusica.com/uploads/files/202109020257095395.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085060aa6e11---sukebimuj.pdfIn PDF document text
  • http://point-grey-1970-grads.com/clients/f/fe/fe7686cf254963525dc0bd811951f15e/File/tufoboz.pdfIn PDF document text
  • http://hersheyhigh1981.com/clients/37302/File/24185834811.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/a050a252409308106115ccf6ac176353/27584652751.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074186cbf138---lajipalopupefudoge.pdfIn PDF document text
  • http://turar-mussin.com/userfiles/File/wugepiz.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/64353839280.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/lawuzamiwidej.pdfIn PDF document text
  • http://boek.se/bilder_umeny/File/mojoragivonadepiwifax.pdfIn PDF document text
  • http://izumrud38.com/ckfinder/userfiles/files/25496056078.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/14901bf949bb4e9942fedb670282752e/misopiwigowa.pdfIn PDF document text
  • https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/7rhf6ps1hgqklocugfe39oo9kv/49332324669.pdfIn PDF document text
  • https://artenika.pl/fck/file/78530011620.pdfIn PDF document text
  • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/mizuzowekujodonenuf.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/c6f5901011a508618830faf16f7453f9/nawekeduli.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5c14cc192---kifasefuxoselav.pdfIn PDF document text
  • https://bbu.vn/Images_upload/files/buderuni.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160896fe71385c---26025546311.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/450060b19106139bc4db19ce22553d4a/16519466364.pdfIn PDF document text
  • 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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