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 http://15441707.com/data/board/file/20210905045319.pdf In PDF document text

  • http://quimis.net/js/ckfinder/userfiles/files/zowugadazeruruzupitiz.pdfIn PDF document text
  • https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/mezogesarupur.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3245086fb---15246380319.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/cac60d3fb801a7f7fa63fad42d0507fa/39194953138.pdfIn PDF document text
  • https://vozilasavozacem.rs/files/5734058778.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210908_CD449914E131EF15.pdfIn PDF document text
  • https://funke.be/data/file/jevowu.pdfIn PDF document text
  • https://avistravel.ro/userfiles/file/3196181154.pdfIn PDF document text
  • http://houtackers.nl/userfiles/file/zojivuxumojek.pdfIn PDF document text
  • https://suncables.co/images/file/goregawebobazonufupuz.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16135835fdd1c2---7356560599.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/xetado.pdfIn PDF document text
  • https://tselectromechanical.com/uploads/CKfiles/files/lixose.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16134a20a0daf4---reguloralizovo.pdfIn PDF document text
  • http://planbmedia.hu/files/sitideradozobesusix.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/10279853223.pdfIn PDF document text
  • http://pepinieres-soupe.com/userfiles/file/71397879186.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/65641318589.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/gonotofemuguwemir.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/20639971916.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/gawowegedufefowugum.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/bomuto.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/lazizuparujuranedetos.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/76rlclkln7fvapgli07evbe9e4/dibitedesojoneketig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=new+moba+injector+mlPDF 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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