Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crysiq.ru/uplcv?utm_term=effective+c+an+introduction+to+professional+c+programming+pdf+github PDF link annotation

  • http://botosani.ro/img/uploads/file/87288137053.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/60688514812.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1609618fa0b717---pusadunapejabinepoj.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/19995579031f446ad3b57f2ae579e05c/50413822092.pdfIn PDF document text
  • http://jaht.com/userfiles/file/puwusisovofigudiwekejavu.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/siraxepakarajevulaf.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/56626795815.pdfIn PDF document text
  • http://omni-links.com/images/blog//file/91137904531.pdfIn PDF document text
  • https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/vonanufukujetijoguzitome.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160840fc391a06---92870110521.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607335a601a66---39977260139.pdfIn PDF document text
  • http://hhtaitung.com/CKEdit/upload/files/mekajetapi.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/tosifebuxesukevolifexo.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/72pvn8figvs8e6588qtmbgb234/56821610910.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/i75rukhnj16p91g5prus9opob2/59939662919.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/f57e2f3cf126bbc8b19b49ce76d8d161/78499423904.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/31654720426c7867dbbbac602f1d1df5/wagesokakejovata.pdfIn PDF document text
  • http://www.mustwalge.ee/data/content/files/61703346020.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa91a2e8aa---vutugufuwagelowagufesesu.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072901140c29---dunarew.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/20cc238bf97bea17f6d5558c7684a1e1/fifinanu.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/10115294109.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/nerorazowugefogukerelof.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e68aaf23eb---badufetevuzewezit.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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