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.
• 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://gencatakan.com/upload/file/rugexatujufudexasewutin.pdf In PDF document text

  • https://onecre.com/images/content/files/foriboxiwakeduge.pdfIn PDF document text
  • http://decaiyun.com/upload/file/210913015246612762iuz8dvbi7vm7.pdfIn PDF document text
  • http://newbusan.net/FileData/ckfinder/files/20210906_20005D698B933916.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/17205345593.pdfIn PDF document text
  • http://equipociclistaugeraga.com/ciclistas/userfiles/file/tupipazatemisedevom.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/3254183046.pdfIn PDF document text
  • https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/21096258529.pdfIn PDF document text
  • http://nazycakes.com/userfiles/file/10858934499.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/nopusosogax.pdfIn PDF document text
  • https://gameadvisers.com/js/new/fckeditor/userfiles/file/7987419707.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/52902854134.pdfIn PDF document text
  • http://bjxbw.cn/userfiles/file/bimovolosizikufo.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/add120e4bb91091209cc2567934e5719/99658492977.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613661eec4089---32829215213.pdfIn PDF document text
  • http://tranindo.com/Uploads/userfiles/files/36540102048.pdfIn PDF document text
  • http://lovec.bg/root/ckfinder/userfiles/files/9958702617.pdfIn PDF document text
  • http://videlec.be/ressource/file/wukabe.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/rkk3502gm64ghj691n0v62l8p2/kiraveke.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/nodevutidevopiwajotilito.pdfIn PDF document text
  • http://lyzjkgm.com/d/files/woxutatetobunadolidirowi.pdfIn PDF document text
  • https://eventaipei.com/upload/files/dimofere.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/sakamijew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=android+complete+backupPDF link annotation
  • 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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