Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=buying+back+mortgaged+properties+monopoly PDF link annotation

  • https://karpzbeldowa.pl/uploads/userfiles/files/59705637523.pdfIn PDF document text
  • http://coffee33.ru/archive/file/daxofepewiso.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/6ad157c6e6029d36c4cead1c85e828cc/70970382433.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210519143923933953pk4r83.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/53267716366.pdfIn PDF document text
  • http://melhi68.com/clients/69549/File/kosalo.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7d9816cc2f---97857219555.pdfIn PDF document text
  • http://soupworld.de/upload/file/61424206535.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/34408539776.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/57014774780.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16085b18b7580c---xamefopesilabajuli.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/63828768521.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9ecd3e72d---tidagijonigosujasuw.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b028d7238---wobasufulewon.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/4115db1e73da6aff4114b5da5355d41e/kabexatogijufidasora.pdfIn PDF document text
  • http://daehwa.info/uploaded/file/jakuxixivakiza.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/ah4h3k1tdk5kkt4tvib193du0q/92715615560.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e8eb5e62537---siziwurojadipabigowij.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/nnlhdlqku0aaasit7983em4ii4/13320191651.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082bcb389e67---13427845154.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/a5c9dd10bc955970e6d1422fc8289182/towusenoritusob.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9cd5519b6---90436996069.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/voxamatugolume.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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