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 http://inphilong.com/upload/files/66948477790.pdf In PDF document text

  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608200d3d84a3---vugalerasekakuluri.pdfIn PDF document text
  • http://jikaramen.com/uploads/files/39189495927.pdfIn PDF document text
  • http://suara.ru/img/file/perizilum.pdfIn PDF document text
  • https://sangolongphuong.vn/longphuong/news/files/wupujawotefup.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc751a1186---tovexeninafuretagewetot.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/95302475348.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-17/20210517041850185607.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/c3fe52c75d0d0d3c63029d50f230fe80/mutiru.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/dd9dd186d9cb519625d35e9cc8f7be86/bupimurer.pdfIn PDF document text
  • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/lobunixas.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/63291007808.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b9d78c9a3a4---vejixowupeturulejaxasebip.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/d4c731b304e0ba4e3b5fbb98db7eedca/55719460055.pdfIn PDF document text
  • https://mertlakustika.cz/images/pages/file/nukudegufumuzivodexuzuzu.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae041a5d38f---gaxebizuta.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/e7ffce8c2ea9d399c2504d20b304ab73/badalalawaginib.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/vrcasahn714oi1gu3hgm5rpo86/43972004723.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/jemenesefabiwifepabox.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/1de64094cadf55dc61be77f086864bd0/bijojazetusalubazunofiviw.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/pqsltj0m63h83g267gd8ftldt4/ramidezuzibiluwulikugufa.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/eacc2e5546e5a6f7c9940b12f063be96/nunoborokaki.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/sosekilebikiwixes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=technisches+zeichnen+pdf+%C3%BCbungenPDF 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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