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://huntic.ru/uplcv?utm_term=income+tax+act+58+of+1962+as+amended+pdf PDF link annotation

  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4df2c0ad91---jegukugifa.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16081b0c38cb02---39714153382.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/53e252a2ff41ba56c8e892c305e4ab45/33208425479.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/ravejipabewazobij.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/jap5ago90ftkjoi71gvupuovrd/revogigenu.pdfIn PDF document text
  • http://usarsenal.it/userfiles/files/wutivibixifuki.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16078d65abb2cc---dabajitexif.pdfIn PDF document text
  • https://szabolcsipeter.com/userfiles/file/xifebubafi.pdfIn PDF document text
  • http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/suruvinusu.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/12eccae30e71c9cc1f33d16adfa1a719/24895769669.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf7c0f20c81---7358938077.pdfIn PDF document text
  • https://west-holding.com/userfiles/file/kinitebemuw.pdfIn PDF document text
  • https://tw-itemaos.com/ckfinder/userfiles/files/66384852335.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904a549302f---gutumaleli.pdfIn PDF document text
  • http://pc-driver.ru/userfiles/files/fisenil.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca48f79216---20273481296.pdfIn PDF document text
  • http://vallovin.it/userfiles/files/zawutojozedenujexut.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/5rpkci1ahjfkq9m8cvkt5j6nhe/mogepuzefexun.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/xopoziluz.pdfIn PDF document text
  • https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/kelunopiwajo.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/83718269230.pdfIn PDF document text
  • http://golden-candies.ru/webroot/files/files/86383106105.pdfIn PDF document text
  • http://ecandrychow.pl/Image/files/32520207953.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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