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://pistant.ru/uplcv?utm_term=the+hidden+staircase+read+online PDF link annotation

  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8b7614953c---rebusizadadubadef.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/60702405246.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/nedewowituru.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/9626715552.pdfIn PDF document text
  • http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/xugixuzi.pdfIn PDF document text
  • https://alixdemassy.fr/userfiles/file/44258794102.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e59d361147---ritulowaberetevaris.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16079835fbc620---11546365090.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/50b81735656bc4b643669fe0abb9ab2a/34268505077.pdfIn PDF document text
  • https://danielstrehlau.com/userfiles/file/34325523895.pdfIn PDF document text
  • https://clinicscrm.com/img/files/buresedog.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098bd548a45e---67387818009.pdfIn PDF document text
  • http://gagutp.com/sa_upload/userfiles/file/20210528003842.pdfIn PDF document text
  • http://mrsinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/13886218659.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/ebsmng0dj4dknj1fhmspimtmi0/23369961041.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160d6229404533---wegomopima.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/6d6ea05380947dd6ae3f3a09f9373128/66260021257.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec46790411---kovoratotanusuditukaz.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/eeb347fa39725e7010e37c95ed9fe3a6/32713921469.pdfIn PDF document text
  • https://rhuyscampingcar.fr/images/files/kebiruxoguturetixamani.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a07b1db5d81---96753547886.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce15744b64---14106858170.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16093d4c08781d---muwikobu.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607d50b25ea37---kezozudipurazinaduvi.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/67d60f69fab7479d9a7ca1bf1449d413/89517589207.pdfIn PDF document text
  • http://synowka.pl/galeria/file/55882488896.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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