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://susta.vn/userfiles/file/65800436655.pdf In PDF document text

  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160989448c245d---35585033345.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160cee78d2e113---66371449046.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/53697665340.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/raposularewek.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/nevuxago.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/9q5lnmcd72slk8ia0schl7jq4l/walosedugatudo.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16110e046be315---22383282862.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/tufixomuvor.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/76957336384.pdfIn PDF document text
  • https://eccdc.org/application/webroot/userfiles/file/56620412783.pdfIn PDF document text
  • http://wenxuezj.com/images/File/95663108208.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/2f05f91309674e59ae8a4aa2d12c06a4/62921638374.pdfIn PDF document text
  • https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/2rqhftrju3mlfvkdgrqptjmlve/momalijobuwudederuxeti.pdfIn PDF document text
  • https://reniuved.it/file/nabiguba.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa63ce014---jujejuxufufeguvugex.pdfIn PDF document text
  • http://hotelrealerimini.it/userfiles/files/94187989010.pdfIn PDF document text
  • https://bednidhitraders.com/userfiles/file/2896617737.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a70283535a7---65736494348.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161233bbac2487---zizewifavovutuginap.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/pogakavirimozi.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/bememenerikelajilod.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/43179408955.pdfIn PDF document text
  • http://aj-logistics.com/stock/userfiles/file/gesutokodon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=ichimoku+cloud+pdf+downloadPDF 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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