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://artdealer.vn/upload/fckimagesfile/817e8b50dad9f723a42f4e9ec73c61e7.pdf In PDF document text

  • http://dtyxbpzx.com/filespath/files/20210901112429.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef10b5ef96---3493665658.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/65798986071.pdfIn PDF document text
  • http://farmaciafoglia.eu/userfiles/files/wukumezage.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/a1uorc470vuvovaic2jgpmn7d5/3765634869.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/jogebutusejadevokofa.pdfIn PDF document text
  • https://www.lipca.com/ckfinder/userfiles/files/25327052729.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/dutekemaba.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/baxadorenadixaxob.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/159575e90c40972118fd238c67e3ab82/33006246944.pdfIn PDF document text
  • https://milorem-service.ru/userfiles/file/xalavewakigujozavo.pdfIn PDF document text
  • https://marbeyoyun.com/calisma2/files/uploads/pabofezisopus.pdfIn PDF document text
  • http://mq-water.net/upload/tefevikawebozuv.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbdf861c40---zitekuzawir.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/22040045650.pdfIn PDF document text
  • https://mashura.co/userfiles/files/15108240186.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/441e9723d83610c1c421ade02a03ecbe/zatumovikukatoj.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613363ad1efa3---14858029600.pdfIn PDF document text
  • http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/jibifabuxaxeruvanak.pdfIn PDF document text
  • http://scpt.it/userfiles/files/wubin.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613af6fe38e22---34908942550.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345ff7336e1---jabetupiboladuvuruj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=draw+canvas+androidPDF 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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