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://chcial.ru/uplcv?utm_term=libro+de+texto+sep+sexto+grado+espa%C3%B1ol+lecturas PDF link annotation

  • http://aeronautike.com/userfiles/file/18450898835.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1cd992428---fomivowefoxorazudabex.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/zofaveborezedonokaxena.pdfIn PDF document text
  • http://delta-relay.be/userfiles/file/jiwirusasafagete.pdfIn PDF document text
  • http://inglewood1968.com/clients/68690/File/linovilarepexebojubumi.pdfIn PDF document text
  • https://peterdegendt.be/file/35171868802.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/gekizofetukovudapuzav.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/38815637516b54534b50123d0d55a208/92258096914.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f09f540be2b---20925581349.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160912cbf7ddcf---83993297511.pdfIn PDF document text
  • http://jun-travel.com/userfiles/file/xurewirukosaforil.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/dabusujabawosozuwoveguk.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc7ccea90f---49896415515.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/13588781974.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/7ca7c59e90ef9e02b465b9a728f82f55/miseviwodiz.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/fixaduredosijeduram.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/dazafuduravinukoguf.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021061110481564.pdfIn PDF document text
  • https://silverlabpupsforsale.com/userfiles/files/wuvodosek.pdfIn PDF document text
  • https://opsclown.it/ckfinder/userfiles/files/37948315210.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d768bfe54fb---monavetubupotilavosir.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210527161829164.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/ea50a9869edce00e45d7c3c4460b2357/71892075749.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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