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://cructi.ru/uplcv?utm_term=monster+manual+5e+pdf+download PDF link annotation

  • http://zatacorp.com/upload/files/66917602028.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/pc9iq4tikvi1ddg124hjcmji6p/72490207837.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/47ef71d62776040683880b3648d6edcc/gazajet.pdfIn PDF document text
  • https://ddnepal.com/assets/userfiles/files/10408775874.pdfIn PDF document text
  • http://elandtour.com/FileData/ckfinder/files/20210909_F332924B75FE7D0B.pdfIn PDF document text
  • https://santa.my/images/users/00000000/files/90778460548.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/28625409979.pdfIn PDF document text
  • http://theonejsc.com/userfiles/file/wekaf.pdfIn PDF document text
  • https://www.hsbofmn.com/ckfinder/userfiles/files/70554247567.pdfIn PDF document text
  • http://kcntanduc.vn/img_duhoc/files/39942510154.pdfIn PDF document text
  • http://lachina.cn/upload/file/61235884751.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/t5ahrjlr7qjgbjv0ved8k5uk5k/21828745661.pdfIn PDF document text
  • https://winstar-tools.com/UserFiles/editor/file/73091723053.pdfIn PDF document text
  • http://ambulanceservice.pl/userfiles/file/mifedoxabuzowi.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/80794433447.pdfIn PDF document text
  • http://edukoc.net/userData/ebizro_board/file/85409416147.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/6c299407751ad77479d561dcadd6286d/4467809253.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/4c60722a8e509d5a0052a755c67bc836/nasotubuk.pdfIn PDF document text
  • https://westhigienia.hu/editor_up/bogifonine.pdfIn PDF document text
  • http://ke-sen.com/userfiles/file/1631253596.pdfIn PDF document text
  • http://ossokahve.com/upload/file/74142691478.pdfIn PDF document text
  • http://the100voicesofgospel.ch/fichiers/newsletter/file/xuriw.pdfIn PDF document text
  • http://ipai-bg.eu/img/file/jutawenidifadevawe.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/80628574207.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a93dd17405---busejelev.pdfIn PDF document text
  • http://konberdbio.com/upload/files/77341288228.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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