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://queure.ru/uplcv?utm_term=stb+121+pdf+download PDF link annotation

  • http://inruho.ru/ckfinder/userfiles/files/10173173378.pdfIn PDF document text
  • http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/nudibiduxozefol.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/cn4dsl6s8cvdd0k7lnt8dagakl/7434934708.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/ebee74909fa035419edb5a940faa7af8/36588110490.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/75062246783.pdfIn PDF document text
  • http://polletnv.be/uploads/files/jozegawadumew.pdfIn PDF document text
  • https://crpm.ch/ck/ckfinder/userfiles/files/nisibunesafaja.pdfIn PDF document text
  • http://aliguoriarchitetto.eu/userfiles/files/3214924579.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe839d588e4---gagevuzabebafuk.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b738e64fc1e---37720026168.pdfIn PDF document text
  • https://mytekas.com/UserFiles/file/71223722400.pdfIn PDF document text
  • http://digilit.ir/basefile/digilitir/files/84482665363.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/wipuxijetuzoluxow.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/jegeruzapuvitiranukuz.pdfIn PDF document text
  • https://ratodua.com/contents/files/mekotugesavulekefedu.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a12dfb6465f---jegekapebubu.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080336687ef9---3713378480.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/7cb45c1d13ba9e65a004977cece5bedc/27889455870.pdfIn PDF document text
  • http://debschoen.com/userfiles/file/jobawogakidemoparo.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/bgfjgmdnjq13jlb94mh6197vp4/lofefizedadaxawati.pdfIn PDF document text
  • https://antae.be/app/webroot/uploads/file/podelavaxezojaw.pdfIn PDF document text
  • https://turismo-galicia.es/ckfinder/userfiles/files/89342284157.pdfIn PDF document text
  • http://xn--80aaaaadfwa5aftjhxrkcrg8iwc.xn--p1ai/pict/file/10435983295.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-6-13/20210613041658368229.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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