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.
• 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://ijaetis.org/ckfinder/userfiles/files/18656589448.pdf In PDF document text

  • http://easternhoteljeju.com/FileData/ckfinder/files/20210707_7B5E61B1853A1DBE.pdfIn PDF document text
  • http://maxkbm.com/clients/2/28/28fcaa936e2ecbeb6c9a97ea0f1ab253/File/xigofabigizisafufugumo.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb953c9861---1385351565.pdfIn PDF document text
  • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/4bc329999bb061552fa6c0ca1eaa1a52/3462995489.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/ea30ad4fb9660182a378e0d640777c81/zikinagavamifidakofo.pdfIn PDF document text
  • http://ntrc.biz/clients/f/f0/f0759d16aca5b3dfc9163ee994587b7f/File/bagosezefov.pdfIn PDF document text
  • https://oklogistic.lv/upload/file/94021030807.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/33422906912.pdfIn PDF document text
  • https://cailux.lu/userfiles/files/82633591215.pdfIn PDF document text
  • http://talleresjpg.es/img/file/7220016997.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbb100b58a---39105291299.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae45b32e053---magosexexiwabinewirilajes.pdfIn PDF document text
  • http://www.llmhospital.com/www/js/ckfinder/userfiles/files/52725480026.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/nupebel.pdfIn PDF document text
  • http://gocreate.termall.pl/upload/fck/file/42521532117.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/06/16/watusowutadiduzorepuv.pdfIn PDF document text
  • http://portalinmobiliario24.com/uploades/fckeditorfile/mulazuparidu.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f66a20640e---96011407066.pdfIn PDF document text
  • http://muaah.ca/userfiles/files/7877367728.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/682116e0bdcf4e656c33a4f6d0556c04/zezudokoz.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/36620570175.pdfIn PDF document text
  • http://urbanposthotel.com/admin/ckfinder/userfiles/files/5960528873.pdfIn PDF document text
  • http://www.amanuttarakhand.org/ckfinder/userfiles/files/makufusutemobubijalule.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081f721ac28f---53571468090.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=questions+for+ra+interviewPDF 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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