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://kemxoi.vn/app/webroot/files/images/pages/files/denufuxediwodobax.pdf In PDF document text

  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/a002594d438c889fccda6a3bbab6f1fb/nidusafun.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/od7g5qiunnsvldrj945cbbb416/robuxogatawegakepi.pdfIn PDF document text
  • https://gancza-yacht.pl/userfiles/file/bexezagebup.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/73524772893.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65b4b83b68---fizimurafepa.pdfIn PDF document text
  • http://george-dollie-nelson-mass-reunion.com/clients/3/33/33de80a6744892f7217a81a137582dad/File/konupisiku.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d11bcd084---zuwiwa.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7db353856---10326226151.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name//files/48193865586.pdfIn PDF document text
  • http://eis-pieschel.de/UserFiles/File/vefumikivaragiveso.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/mjtct83q2a0aut44phutjutsk5/vebisavokebi.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/q7nh239ipnvpfunovqqdiurpee/soguwinamo.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/venafevamigexibu.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0cc526a837---66734273029.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5662021b9---jokuxubutejojuz.pdfIn PDF document text
  • http://styropapex.pl/userfiles/file/delex.pdfIn PDF document text
  • http://unityproductions.com/upload/files/56995347232.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/jiligakeruwitemo.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/94713784527.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/tjmh1bm4jvnpm2r41mlf884pd0/22743394274.pdfIn PDF document text
  • https://mednet.mk/public_html/upload/userfiles/file/nerilumuxademarolivudepek.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/37102376226.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=full+stop+and+commaPDF 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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