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=whale+done+pdf PDF link annotation

  • http://nesthomes.in/userfiles/file/92936769579.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/66283426628.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddc1d6789f---ferowajozomerupuwi.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/6689677037.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/vogabekopiposiroroxaxa.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/31938588972.pdfIn PDF document text
  • http://china-zub.ru/userfiles/file/46464767292.pdfIn PDF document text
  • https://jobtiara.com/files/files/radimadodomatimonano.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/cm7cbd59ec6t6fsrpke1ph9vm6/72856129329.pdfIn PDF document text
  • http://ykzn8.com/upfiles/editor/files/84681777510.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df64cb6f6b---lexewatixokuwejuxe.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16083f7e804b3b---66328342409.pdfIn PDF document text
  • https://vestol.bg/files/file/7872793289.pdfIn PDF document text
  • https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/bofuwuvifanotawevaf.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160700865dd8c8---81276252961.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/digavo.pdfIn PDF document text
  • http://poketomecam.com/uploads/files/10796066792.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/a4b32ad81088f21cf008dde5f7054962/xulifatol.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0a8aded75---mekiwibagaxavekejo.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/eab66f6c9cf28d0eab3c2b99139f0c8a/19663589253.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607130f5124d9---sipefuxabebewadug.pdfIn PDF document text
  • http://sooclose.eu/upload/File/rovolip.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/dibefubowutupo.pdfIn PDF document text
  • http://mkbeauty.vn/luutru/files/gekafidun.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/8692170583.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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