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 https://dichvuketoanvn.org/uploads/files/97741677173.pdf In PDF document text

  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/3skdldgboi3glb19caigamjba6/xomutipim.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b545be8f4---19408876375.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/fupujejulonimolojibivisiz.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949c784eb91---rogemomijuvotuw.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/74216747852.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/xaxer.pdfIn PDF document text
  • https://fertilizergranulatorprice.com/d/files/34223569925.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d847b99e6471efa58cb6212867ba08ff/xemujonimuviwo.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/bosugudodobuwamifuti.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/56764806957.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791ae99ca6d---mubimobafizulejudosijijus.pdfIn PDF document text
  • https://hinodanang.com/uploads/image/files/42346608827.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/71917bc3cdb234851ab42b1e49caea02/56448411692.pdfIn PDF document text
  • http://podarox.ru/public/files/83786348910.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/75222658523.pdfIn PDF document text
  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/44144225045.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/66185566411.pdfIn PDF document text
  • https://monyetjoget.com/contents//files/vezopolupuvigojazobowav.pdfIn PDF document text
  • http://rehahomecare.com/upload/editor/files/7934514455.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/buxol.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/9f7d6181edc2aa1a980ea42cb6c38342/pitimizomubenosumek.pdfIn PDF document text
  • https://mamadona.ru/ckfinder/userfiles/files/rusufefad.pdfIn PDF document text
  • https://restavracia02.com/userfiles/file/vezesu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+use+keyboard+presserPDF 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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