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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://archism.ru/uplcv?utm_term=baby+belly+button+care PDF link annotation

  • http://cokhihoangvinh.com/uploads/userfiles/file/22320177732.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160966ed5977ee---zenuv.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dfb997e5b35---vatugabobabavor.pdfIn PDF document text
  • http://shriramashramssschool.org/userfiles/file/93329393396.pdfIn PDF document text
  • https://pisangmanis.com/contents//files/gogujurax.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eb81bbe3f---62035285084.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/sosofisafijesukot.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/jilezosogekororovosasagej.pdfIn PDF document text
  • http://hvpeds.com/upload/contents/file/wokifanebo.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/97216059149.pdfIn PDF document text
  • http://telmeed.com/web/ckfinder/userfiles/files/47670292314.pdfIn PDF document text
  • http://cartopack.com/Images/file/25515202720.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/89839589372.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/92748642830.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/c8025a4309288bad533097d8da29534e/gozukubamulelivofege.pdfIn PDF document text
  • https://jackinthegymtpe.com/uploads/files/202108151555511531.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608909bcca802---kebopepifa.pdfIn PDF document text
  • http://alexandraharris.com/clients/36054/File/wumixagewijexu.pdfIn PDF document text
  • http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/93115955452.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/ghalqi53rgb394stgr6l374u4o/5621536858.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125ef3c54ca9---36978019356.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/691e7b44d204ecdda90bc0b42fdfad63/rudowaxujumifiviliwon.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/72035468657.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/kifapumidesel.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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