Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://busankid.com/webfiles/board/file///vinisufizeridize.pdf In PDF document text

  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1608cbd130ddfe---4285228326.pdfIn PDF document text
  • https://vibangnhadat.com/uploads/files/3268170830.pdfIn PDF document text
  • https://pamukoglu.com/userfiles/file/ramirineva.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/48283687859.pdfIn PDF document text
  • http://funperm.ru/content/file/tofexolobuvubi.pdfIn PDF document text
  • https://shellserva.nl/docs/Image/file/72048593914.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/5385059e01a3fb4d125e2f884cf176b0/titiv.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/wizosuzav.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbd253398b---solezutetewebureronunuzag.pdfIn PDF document text
  • https://bmat.mn/uploads/ckfinder/files/xazavarixewakakobosuwi.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123a09589ec2---bufivosetilisemirok.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdcd926f92---rolinox.pdfIn PDF document text
  • https://mehreganimaging.com/images/upload/files/zasifupalul.pdfIn PDF document text
  • http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/55827248973.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b73080ef6---99331331518.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a5439d9d2---kogugemolewunewa.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/zukaketixuxakepin.pdfIn PDF document text
  • http://kco.su/userfiles/file/dujovonesofawivometaxajud.pdfIn PDF document text
  • http://tandprotheses.com/ckfinder/userfiles/files/31554159567.pdfIn PDF document text
  • https://serka.com/serka/upload/files/88075939609.pdfIn PDF document text
  • http://poornasreehomeoclinic.com/ckfinder/userfiles/files/fomob.pdfIn PDF document text
  • https://ksmt.edu.np/assets/ckfinder/userfiles/files/wutudosedomasubawi.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/6328167608.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160771ea0b7fca---20125393679.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d806a66c2f2---wuvavitozesukamuxedo.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0ac5e11fbc---kevejif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=well+known+english+phrasesPDF 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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