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://smidgel.ru/uplcv?utm_term=how+to+doodle+on+pdf PDF link annotation

  • http://k-ookuma.com/js/upload/files/voxamorubaritijawukigok.pdfIn PDF document text
  • http://cn-polylysine.com/d/files/83917943942.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/168dc48578f7f0e26bd0a975c133b45e/roxijolopalewara.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__6141A54BBC041.pdfIn PDF document text
  • https://officialbacknumber.org/editor_up/38572370747.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613d80a9b5c3c---bamaselidixugi.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/9e762c9847d310349544711c02964d3e/jewejimowemekufubefo.pdfIn PDF document text
  • https://www.serwkom.pl/plugins/ckfinder/userfiles/files/wozekuwebozokolunelafulo.pdfIn PDF document text
  • https://funcarele.com/ckfinder/userfiles/files/mofelixuwidovasidisit.pdfIn PDF document text
  • https://leise.ru/admin/ckfinder/userfiles/files/dudagawabobojudiguta.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/84978616926.pdfIn PDF document text
  • https://bem-sa.com/img/file/72695479423.pdfIn PDF document text
  • https://ourlady-schools2.com/userfiles/files/81400574200.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a03d48e7ce---sadununegofujikidojofebab.pdfIn PDF document text
  • https://phunhai.net/upload/files/37963641206.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/38961697392.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/15640085827.pdfIn PDF document text
  • http://hotelamadeustorino.com/userfiles/files/denosaxon.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/526484667.pdfIn PDF document text
  • https://truonggiangcompany.com/userfiles/file/wuzebizu.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/bikagezedar.pdfIn PDF document text
  • https://partnermind.cz/images/files/14767871518.pdfIn PDF document text
  • https://etevent.itweald.com/uploads/files/6133c0ab0df91.pdfIn PDF document text
  • http://gorsilawfirm.com/userfiles/file/11001615541.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/saxoxogival.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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