Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://laborke.ru/uplcv?utm_term=how+to+find+someone%27s+cell+phone+number+for+free PDF link annotation

  • http://poney-club-romilly-aigre28.fr/userfiles/file/80197185826.pdfIn PDF document text
  • http://mvsexpo.ru/admin/ckfinder/userfiles/files/jutunuwixap.pdfIn PDF document text
  • http://lindseyderence.com/userfiles/files/31880278043.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/fc750221b5968a37ae67088cedec9b94/zirujesikufajolibof.pdfIn PDF document text
  • https://babamore.com/upload/ckfinder_temp/files/20210619085515.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-6-19/20210619133726407520.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/g25senfr9iiv2ve7eeccgk5ce3/10999987197.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ef029ce97---binumalonutapixurenij.pdfIn PDF document text
  • http://skncn.com/u/files/velone.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/39019992359.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b86cdd4c194---2107494989.pdfIn PDF document text
  • https://digireg.ru/upload/tugiwejozolasuzifeven.pdfIn PDF document text
  • http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lowati.pdfIn PDF document text
  • https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/44618014834.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/suralal.pdfIn PDF document text
  • https://alutat.com/data/file/bitiwegizawazunikanadeze.pdfIn PDF document text
  • http://clubchic.lv/c/i/files/xujefapaxesugibuvodo.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dd7644fbc---94580122417.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607f493b25a06---bolufadigekokaputapim.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///2021630131013293.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/1882694829.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0d33ef815---65885712177.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/dupekosabipoximumojudel.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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