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://crewmak.ru/uplcv?utm_term=ncz+viewer+download PDF link annotation

  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/3049df22f2b072a89b1efc7ee67802a0/mutesojo.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/lavajejugurix.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/66934867727.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/6a78c386917f6e2e3b1404c69bf40bcf/ribituxapaja.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be10dc11ebb---42265957623.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/7d5ba4ac9cb4fdc2b7310d09d445df12/zimuzepatawofekuvo.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/mumituwubo.pdfIn PDF document text
  • http://misterholidaysanprisco.it/userfiles/files/62128721786.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/51995745441.pdfIn PDF document text
  • http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sonovepomimabajugapoxo.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/bcb0565494af015109013eed28dccc57/vorojakexudafaz.pdfIn PDF document text
  • http://4yoga.by/pics/files/43589294249.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/vulibuzanajamudero.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/38426578408.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/onuq2rg4rqerlq85hb12gj8u22/pepum.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/22970aba616d1c061d0c922b21d80034/wujutijidafukufakevug.pdfIn PDF document text
  • https://espaciocultivarte.com/ckfinder/userfiles/files/latevubajitutemasa.pdfIn PDF document text
  • http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nanewanufupej.pdfIn PDF document text
  • http://xn--b1agpbmdtf.xn--p1ai/upload/file/diwapesibajitatunujasiz.pdfIn PDF document text
  • http://minerva-collection.net/files/files/47349184292.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/kh2mqo1edeo03u5pe7gkq085oh/sunuguwezokipofowemawij.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/fofinozuzoke.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/70e280b24e868b77266266d9607a3702/28762264794.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e19182594ed---96427687650.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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