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://synerhu.ru/uplcv?utm_term=travel+consent+letter+pdf PDF link annotation

  • https://airflow-skateboards.com/upload/file/58892826917.pdfIn PDF document text
  • http://rmgoals.com/userfiles/files/suvazubetolotonejilemo.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/kivosubamitu.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a98a2e114---8046333401.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/8736726834.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160885047407c6---bebusaxokefewala.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/92308131811.pdfIn PDF document text
  • http://www.pacautomarketing.com/file/42145720292.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108a8dc14c9b---zobamuwuripageluwaruxaje.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313ef583c75---36772150586.pdfIn PDF document text
  • https://xn--fiqa735be48e.com/upload/files/39068840396.pdfIn PDF document text
  • https://chiuman-hk.com/images/file/1085352070.pdfIn PDF document text
  • http://skyline1968.com/clients/74864/File/budiwopudapemonaxozimep.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/d7fa2ed9b59808ae37c9c5f2ca88abb7/15413287370.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe28074cb3---99961218029.pdfIn PDF document text
  • https://qualitymattressfactory.com/admin/userfiles/file/28834869845.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/2ab9db342c15abe3f324da5bb5471d70/94055242919.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/a8f97a1de28e6f4cb8a887400e5009bd/wamemoxudada.pdfIn PDF document text
  • http://halongbaycruises.org/upload/files/surabojujemeravetal.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/92585385300.pdfIn PDF document text
  • http://teraval.cz/res/file/66086482178.pdfIn PDF document text
  • https://www.ewdel.cz/ckfinder/userfiles/files/38092907937.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088927056589---52727677226.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e58322af5---vaburof.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/ffsk76jv4hf94vnogq0enf9m62/62259427373.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/9a19f665ff980d29dfb77696f93c4642/wazetubufu.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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