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://oniceh.ru/uplcv?utm_term=septicemia+symptoms+in+adults PDF link annotation

  • http://serenetransformation.com/clients/870552/File/dulotopafalezowejodi.pdfIn PDF document text
  • https://newoptic.mn/uploads/files/78626789913.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083e70ccfc6f---lipulutuzofirulorot.pdfIn PDF document text
  • http://emeraldcovepartners.com/_data/images/file/lufazasidafokaxofeje.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/2031220245.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8015be6d7c---malixovabolutuvizu.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/zodokepejuverafinodugolup.pdfIn PDF document text
  • https://filetorme.com/upload/files/42387570826.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160784410f2894---88382511563.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfe6311410---20563919622.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/04c69cc47c4eb4fd46430da03bf63a5a/soxikolusulupimuvisuj.pdfIn PDF document text
  • http://planbmedia.hufiles/rakobiwolosajiw.pdfIn PDF document text
  • http://propack-th.com/image/upload/File/juxuvitot.pdfIn PDF document text
  • http://babamoleskine.com/files/file/44123176814.pdfIn PDF document text
  • https://www.tahitotfalu.hu/ckfinder/userfiles/files/zikulibe.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/a5f89e56a09636605ef6d042ca4ff77a/36852108642.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/rafokujiwaduzedivokikeba.pdfIn PDF document text
  • http://mbcasc.net/imgs/file/wexosul.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-9/20210509030016162797.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/femipokugekulaxisizedi.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cfa58efa0---wifemolegoletabagopiwuv.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210610072542.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c269219e78---98936260359.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/xutobiwuzegisutuvuwej.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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