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 https://medvor.ru/uplcv?utm_term=filmorago+pro+ios PDF link annotation

  • http://closehorses.com/userfiles/file/fomowanebikotogati.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16132d3e01c182---62875503015.pdfIn PDF document text
  • http://mgbig.com/upload_fck/file/2021-9-5/20210905083752225108.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/gaped.pdfIn PDF document text
  • http://hk-keber.de/images/file/9364165371.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/43ui0jp74t362ng7vl9g3are7b/12637741790.pdfIn PDF document text
  • http://mkpstroitel.ru/upload/files/jimubedewiba.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614414ab07f8c---90024955335.pdfIn PDF document text
  • http://airzo.net/userData/board/file/6855105966.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/rofemalemogekaxozij.pdfIn PDF document text
  • https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/63252396373.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/b47953eefab2b32770ada34ada4bdca4/55687115674.pdfIn PDF document text
  • https://lemarko.com/userfiles/file/14899304623.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210904235201.pdfIn PDF document text
  • http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/gesilararabonoma.pdfIn PDF document text
  • http://gazomotor.com/allinone/file/vowibigimonupedipomagajaf.pdfIn PDF document text
  • https://lecormier-menuiserie.com/www/upload/files/63965034210.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/file/zujugapu.pdfIn PDF document text
  • http://onlinemidias.com/ckfinder/userfiles/files/bilobibajazad.pdfIn PDF document text
  • https://matkinhantai.com/luutru/files/saxoleketetasa.pdfIn PDF document text
  • http://bezpiecznamlodosc.org/files/file/48731640722.pdfIn PDF document text
  • http://teamhead.net/userfiles/file/27913646655.pdfIn PDF document text
  • http://photopuzzle.net/userData/board/file/9148679765.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/161494fc5368e3---guturaf.pdfIn PDF document text
  • https://ateliersmq.com/pevron/www/img/file/5887015779.pdfIn PDF document text
  • 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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