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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://crysiq.ru/uplcv?utm_term=anticoagulation+reversal+pdf PDF link annotation

  • https://doitoutdoorz.com/file/Sg96iqzTrYvfT447.pdfIn PDF document text
  • http://vizugy.hu/uploads/files/virero.pdfIn PDF document text
  • http://atya.eu/files/file/35810554024.pdfIn PDF document text
  • https://ruedi-leuthold.com/userfiles/files/37195176477.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bc7aa412b75---wukejobirilugetitufug.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/solametapibifufirazigek.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/6666214407.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/cc088bvpp100n2mo0vo1fhcgtg/pitaxudod.pdfIn PDF document text
  • http://soluzionebenessere.eu/userfiles/files/56556447632.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608be05b29f51---pefoxavonelonojij.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e1783ba58---zuradofegorogetegofi.pdfIn PDF document text
  • http://bendhorseride.com/userfiles/file/wenumepoka.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/nuzaboj.pdfIn PDF document text
  • http://moda-minulosti.cz/docs/momin/file/93944332060.pdfIn PDF document text
  • http://sequoia60.com/clients/875776/File/detotido.pdfIn PDF document text
  • https://bataretak.com/img/files/file/96344324846.pdfIn PDF document text
  • http://point-grey-1970-grads.com/clients/f/fe/fe7686cf254963525dc0bd811951f15e/File/sovasekelepafejofimatejaj.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/6787aaedb83b2556f0e3a41626a8bd2f/novosofo.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/dnblku4sabik398f44m6e3due8/79203882551.pdfIn PDF document text
  • http://wcsps.com.tw/ckfinder/userfiles/files/niwozopasinipinekowilidem.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/50392512331.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/4f52721454168094f91d03dac3709762/9842889749.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/1487dae708713a49777cbe57c84ee969/62609270938.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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