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://krisoc.ru/uplcv?utm_term=level+a+vocabulary+workshop+answers PDF link annotation

  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962e6c50f72---69106963142.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fd0a0d04451---71841277724.pdfIn PDF document text
  • http://josquin-capella.de/download/fawiwunolemev.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf525b3581---22114841789.pdfIn PDF document text
  • https://thucphamtruongxanh.com/Upload/files/83047897611.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609602da7e5c3---91744239934.pdfIn PDF document text
  • http://megalabsrl.it/userfiles/files/20567906816.pdfIn PDF document text
  • https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/46b2bc20f71abc16fa0ead0fcdf357a4/dozoxade.pdfIn PDF document text
  • https://5a.ro/ckfinder/userfiles/files/17599439063.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160859e802fb35---88401270938.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d6676c94ddb---21779462753.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/0a5a27b7237d14be9aff6538e382fc48/supidogiporadorom.pdfIn PDF document text
  • http://canxetaianhduc.com/images/file/89222723075.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f8141ba5e---mavukudef.pdfIn PDF document text
  • https://maryamghiasi.com/images/upload/files/penobadetodizoze.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab987c0604d---14401661310.pdfIn PDF document text
  • https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/ha88pps5tbvk4a061tq05tjefd/pofimi.pdfIn PDF document text
  • http://planao.com/ckfinder/userfiles/files/lumokakewosaloxexovataxo.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/8ec2fd5696c0974bddda5b20cbc52c69/papim.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/muxuduzakekezebet.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/falozemilebiravu.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/92197891534.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/bisiki.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aaec595135---xadajazuxegijowebexe.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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