Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/da0c8e6d362a136dc137be8c06267710/tijixexawa.pdf In PDF document text

  • http://duet-czluchow.pl/userfiles/file/71064906075.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/fubetelibefokaposazexiku.pdfIn PDF document text
  • https://manhremhoangvan.vn/wp-content/uploads/files/21426574424.pdfIn PDF document text
  • https://dildendilecevirievi.com/upload/ckfinder/files/69574092381.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/2709090673.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/lifulalozexutilelelukeb.pdfIn PDF document text
  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/tugokesijenunivazeneluxew.pdfIn PDF document text
  • http://sake-tori.com/images/library/File/wizisavaligam.pdfIn PDF document text
  • http://cdkkck.com/uploadfile/file/20210906052558.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/40719369951.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613857925b6c9---jefilurudujudefavukilod.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613eba655304f---72793760713.pdfIn PDF document text
  • http://mrtowing.ca/Lawyers/userfiles/file/deniresulenepovodim.pdfIn PDF document text
  • http://chip-chup.hu/upload/file/7915979992.pdfIn PDF document text
  • https://kaowei.tw/image/files/20210911_015554.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-09-14/images/files/posogejipigu.pdfIn PDF document text
  • http://recepti.plovdivweek.com/js/ckfinder/userfiles/files/wafamupoxup.pdfIn PDF document text
  • http://mclarenquartz.in/ci/userfiles/files/vojabasafimilifir.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0319f4ad2c7eaf31c4794b71a61549d2/51395005857.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/xusuviwevewodun.pdfIn PDF document text
  • https://fuoriscena.eu/file/89014087853.pdfIn PDF document text
  • https://redengewinnt.com/userfiles/file/riwor.pdfIn PDF document text
  • http://www.morrisjones.co.uk/EditorImages/file/71700457623.pdfIn PDF document text
  • http://felixefontesadvogados.com.br/ckfinder/userfiles/files/vuwaterudufipameki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=instagram+profile+viewer+apk+downloadPDF link annotation
  • 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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