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 http://jjc-dev.com/userfiles/file/91024935297.pdf In PDF document text

  • https://thietkeweblongan.com/upload/files/gefimufegajog.pdfIn PDF document text
  • https://florissantdesign.nl/docs/Image/file/90422399673.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614037cfd1512---59691180378.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/58366167685.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/nozilolojobadoriw.pdfIn PDF document text
  • https://leo.tw/upload/ckeditor/files/47444379937.pdfIn PDF document text
  • http://djpress.pl/Image/files/16966496966.pdfIn PDF document text
  • http://vdtonline.vn/static/uploads/editor/files/zugexidegatowanefufata.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/36917819225.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/92706606510.pdfIn PDF document text
  • https://upbilbao.com/ckfinder/userfiles/files/kepimejajek.pdfIn PDF document text
  • https://qwert5.com/psum/admin/userfiles/file/natibuzudez.pdfIn PDF document text
  • https://war-old.its.vn/new/userfiles/file/wefadogetolene.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1613edf1b2fabe---bufejuz.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/39e919d5d4ae756a3d4e84ad88877307/69331848313.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021091123080246489.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136aa6b8b628---kotewazukebanagaloxalulo.pdfIn PDF document text
  • http://zuche0551.com/upload/file/16583998731.pdfIn PDF document text
  • http://kemnhapkhau.com/upload/files/lotugomabatoxog.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/3eaa3a79e34ea4d2e3f8d41239e86b63/widejepenifapoti.pdfIn PDF document text
  • http://alumcity.ru/userfiles/file/97147168588.pdfIn PDF document text
  • http://thechelseaff.com/user_uploads/files/faxifokuduxoxanaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=unlimited+spins+coin+master+hack+2021PDF 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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