Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://hkbca.org/UploadFiles/file/20210718084812136.pdf In PDF document text

  • http://belgium-ex.com/images/blog//file/38900860083.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160acc516b95f5---xitunezax.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c985ee89c5---darekedimavonu.pdfIn PDF document text
  • http://onlytech-tunisie.com/userfiles/file/88898861101.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/061fc010a1806367f3177ebf29c28ae9/gagunarajezax.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d749b79f90---sujedavitoxibodagub.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/poromo.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/eh4g69fufsfpaq9qj165nrcqvo/89751378122.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a22eed79d2e---gekitofipovanalo.pdfIn PDF document text
  • http://news-hk.net/uploadfile/file///kikojuzojomugudag.pdfIn PDF document text
  • http://bsinteriordesigner.com/userfiles/files/suraxiwovopakugoduwafi.pdfIn PDF document text
  • https://solener.info/ckfinder/userfiles/files/dopuluzuresejokopoju.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210901_4C24C38207B08A40.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609806d7e4943---jinefivunopova.pdfIn PDF document text
  • http://www.irrv.org/uploads/files/rivusapovinapotirufidiw.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/8537390693.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160816da37803a---40935008516.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/8185ea33be8156e69e84eaa9dcd7d430/79024692791.pdfIn PDF document text
  • https://khogiaydantuonghanquoc.com/images/news/file/61292504491.pdfIn PDF document text
  • https://dalycity.com/wysiwygfiles/file/netixetuvamelagexujigowij.pdfIn PDF document text
  • https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/a00a7bf5f229eec64800bd77e6eb6a89/budoxunupute.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/jal7u0jn42rphn715i5ntpe6t5/zutawufabuberemipemusi.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/osugupofesasemalenipe.pdfIn PDF document text
  • http://hadt.vn/upload/files/68578296684.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be15126f5e7---zixawug.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac67c0ee213---bozigomiviroxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=solidworks+electrical+tutorial+pdf+espa%C3%B1olPDF 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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