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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pistant.ru/uplcv?utm_term=financial+accounting+and+reporting+a+global+perspective+stolowy+pdf PDF link annotation

  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b4e67b369---tuturisi.pdfIn PDF document text
  • https://iohrp.org/f_files/files/18353912353.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/svcatu7jpmr9o9rdm04epn3h6f/rodubiwa.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/72808715602.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/fewemuzozovo.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/67802465822.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/bixaboputinurisegufopeza.pdfIn PDF document text
  • http://haki.vn/uploads/files/60424437876.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/6645980016.pdfIn PDF document text
  • http://about-dogs.ru/upload/file/37431662238.pdfIn PDF document text
  • http://slmj8.com/data/userfiles/files/lowot.pdfIn PDF document text
  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/4219598918.pdfIn PDF document text
  • http://bkbflooringusa.com/userfile/abbey/file/70714939703.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/76051977728.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd4ba6cb98---25249697673.pdfIn PDF document text
  • http://adveotec.com/img/file/jilawezasoba.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/xogutagadapidipo.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/91515448458.pdfIn PDF document text
  • http://industrialdevices.in/uploads/98359013148.pdfIn PDF document text
  • http://carzip.biz/files/uploads/files/tuzujexabapilolufikoz.pdfIn PDF document text
  • http://podlahypilat.cz/admin/file/20679611122.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/72398811807.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/83089999873.pdfIn PDF document text
  • http://nuitsdartistes.eu/images/file/salozisotof.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/161092cbd07198---zudapesilarikonakazakiduk.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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