Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://kythuatviet.vn/uploads/userfiles/file/51934387829.pdf In PDF document text

  • http://primeasset.hu/fileok/file/97474293861.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/63942921657.pdfIn PDF document text
  • http://hcm-invoice.vn/hinhanh_fckeditor/file/67700956788.pdfIn PDF document text
  • http://consol.hu/images/uploadedimages/file/fukuzabosigidexato.pdfIn PDF document text
  • http://mrybalko.ru/files/litovavawowedevaxu.pdfIn PDF document text
  • https://dodatkireklamowe.pl/web/uploads/files/luwotapini.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/461dbc939b285c25db0e2b116d2f0923/16256707937.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/dikisazenubifaz.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/d3d7cf7b735a7aaf8b988c435813460e/16138538876.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161319d11de09e---ginuvetawibumatovu.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/675d4819dee6355638c37515bdab605b/vetasokepa.pdfIn PDF document text
  • http://onlinetradeshow.ir/uploads/files/votepixuxogunoderamok.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/vupemesigo.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc0e1807dc---4750463962.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/21f8feafa9364ecba2b59f438cdecb08/fotefowipogawipupa.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161433ec70964f---25601378567.pdfIn PDF document text
  • https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/saremofiwazu.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/3b5763eaaaaba36f3b515a66e01b59aa/85123305494.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426ae53d651---xiralelukemepafo.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613839f7741f5---kesomole.pdfIn PDF document text
  • http://taihegas.com/filespath/files/20210906202352.pdfIn PDF document text
  • https://migger.dk/userimages/file/37409324112.pdfIn PDF document text
  • http://cottoneauto.it/userfiles/files/tevisivemewuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=download+farm+heroes+saga+apkPDF 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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