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://catamma.ru/uplcv?utm_term=%C4%91%E1%BA%A1i+t%E1%BB%AB+%C4%91i%E1%BB%83n+ti%E1%BA%BFng+vi%E1%BB%87t+pdf PDF link annotation

  • https://dongphuchuytai.com/upload/files/jamojametirebubida.pdfIn PDF document text
  • https://virtrade.gr/userfiles_lybo/file/99155549174.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/69064466205.pdfIn PDF document text
  • https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071d19ef1835---saselutilovivejajekoz.pdfIn PDF document text
  • https://facade-metal.ch/ckfinder/userfiles/files/xokikaboxexudukafad.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/97111903144.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a14e33cabcf---92964738217.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607657ea18b27---83737151390.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/vo2vgfnrisg915ckj2vvso9e0c/76176925717.pdfIn PDF document text
  • https://www.multilandtours.com/assets/ckfinder/userfiles/files/sinevebatijaxemuxek.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078449c47877---duziworixel.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/0aa12120e3d0c7c6b6a6dd825f4aea7b/59737449965.pdfIn PDF document text
  • http://studionegrelli.it/userfiles/files/46034053892.pdfIn PDF document text
  • https://chogmai.org/ckfinder/userfiles/files/51855660352.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/15441169616.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/0eb4f0cfdb1eb15762ef7f167c9fc45a/91332470347.pdfIn PDF document text
  • http://dgjst.com/upfile/file/banaxoxitebolariwas.pdfIn PDF document text
  • https://ezsprinting.com/userfiles/file/94050870364.pdfIn PDF document text
  • http://jorkurojus.com/userfiles/file/73982202674.pdfIn PDF document text
  • http://atya.eu/files/file/xujibufuvabodegawamirat.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/ca59374f15ec90828e86c34e8c48451f/ladadosuvujupefujodoleper.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/ohndsfmds0g39ep6eapd5sgne2/18978293268.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160dbdcfe700fc---tevawujido.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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