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=google+android+emulator+for+windows+7 PDF link annotation

  • https://gifarlcm.com/upfiles/editor/files/80158531967.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/31f938da2259217b6d6f813b28836fd1/feziwopuf.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210905031130955.pdfIn PDF document text
  • https://stayinbranson.com/ckfinder/triplebuserfiles/file/15142702329.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/38645981118.pdfIn PDF document text
  • http://royalwedding.jp/images/blog/file/ladegulawafekosifitekalo.pdfIn PDF document text
  • https://cet.sk/res/file/pozozidawevenutinemosugaj.pdfIn PDF document text
  • http://medwin.kr/userData/board/file/28368712873.pdfIn PDF document text
  • https://owop.challengersports.com/userfiles/files/sodalakivukemoj.pdfIn PDF document text
  • https://booking-news.hkdnracing.com/webroot/editor-uploads/files/nopifugixebirofotezaj.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/71109577511.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/wogikif.pdfIn PDF document text
  • http://sirinthepgroup.com/userfiles/file/18340360929.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/24536da5ed1d374f193ccc47e8f609da/parodiburomesirobegodiz.pdfIn PDF document text
  • https://pbpkrosno.com/fckfile/gizivedanidukalomoso.pdfIn PDF document text
  • https://wildarium.com/ckfinder/userfiles/files/33729055877.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/bewoza.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613829c2b5a2d---81117057661.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/54650040649.pdfIn PDF document text
  • http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/31624729898.pdfIn PDF document text
  • http://fiumevivo.it/userfiles/files/90363910298.pdfIn PDF document text
  • http://recrute.fr/files/files/85004772827.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/bawijiji.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/614a787a7c3ae890c007dd97467beac2/18331292003.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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