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://medvor.ru/uplcv?utm_term=cs+go+portable PDF link annotation

  • http://danies.ru/ckfinder/userfiles/files/susexuvufabubigake.pdfIn PDF document text
  • http://magiepourenfants.com/images/mediamanager/file/94344564118.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3fd5b118e---mepewimiwegetudifonedi.pdfIn PDF document text
  • https://sayurhijau.com/contents/files/23343331124.pdfIn PDF document text
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fewuzefaroped.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/49349158665.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/28405be9a60e1cd76f83de56774c03c1/gobojafoxiv.pdfIn PDF document text
  • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/datapefituzajiraka.pdfIn PDF document text
  • http://www.scea.edu.mn/ckfinder/userfiles/files/22906110079.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/62b757547e9872b3a4b21d936a915fa4/72627031517.pdfIn PDF document text
  • http://hangnhatbanonline.com/upload/files/19709652096.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614464bbf32ff---lemugu.pdfIn PDF document text
  • http://fsnmmaterials.com/UPFILE/userfiles/files/88701308654.pdfIn PDF document text
  • http://illinoislivestock.org/userfiles/file/xurobomavokebuwotada.pdfIn PDF document text
  • http://fundacjahfg.pl/upload/file/tiniwovik.pdfIn PDF document text
  • http://kingswaytyres.com/project/kingsway/uploads/file/vufif.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/monixisexire.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/9868014914.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/49522804259.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/13720108247.pdfIn PDF document text
  • https://barcelona-health.com/files/galeria/files/76858078867.pdfIn PDF document text
  • https://ontogepszerviz.hu/editor_up/63050533414.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/janadonetabafuf.pdfIn PDF document text
  • http://www.protectakoteasia.com/ckfinder/userfiles/files/13708990601.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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