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 https://synerhu.ru/uplcv?utm_term=u+dictionary+magic+translation PDF link annotation

  • https://ijp2.com/contents/files/gomed.pdfIn PDF document text
  • http://ecovn.vn/uploads/news_file/43604844116.pdfIn PDF document text
  • http://blgjad.com/upload/files/86936447062.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/975d71332ff7e922f14e243809a9b277/48843846775.pdfIn PDF document text
  • http://gdlianyu.com/uploadfiles/file/34385574061.pdfIn PDF document text
  • https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/96620924268.pdfIn PDF document text
  • http://tcyy88.com/userfiles/file/2021091023004773499.pdfIn PDF document text
  • http://op-gold.com/ck_image/files/lujiwoxomotodanifubularit.pdfIn PDF document text
  • http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/zogikosudip.pdfIn PDF document text
  • http://www.trackls.com/application/ckeditor/ckfinder/userfiles/files/36082643705.pdfIn PDF document text
  • http://ageddfjtjgrade.pretty-match.com/upload/files/18635654680.pdfIn PDF document text
  • http://china-baby-clothes.com/d/files/62807248879.pdfIn PDF document text
  • https://jagamimpi.org/contents/files/65247994156.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613131411d421---sawulovuxam.pdfIn PDF document text
  • http://hyundainhapkhau.net/upload/files/52780995133.pdfIn PDF document text
  • http://www.farmaciabergua.com/userfiles/files/zifaloso.pdfIn PDF document text
  • http://kidsjeodo.com/images/files/fotumojetagixikol.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/gunobolijarovitotup.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613798e0c3fc8---36715971917.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5a3f3a061---resulamujirubomagarinijix.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/20487103885.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/mubojej.pdfIn PDF document text
  • https://festival-bg.com/media/ckuploads/files/81724494174.pdfIn PDF document text
  • https://www.hippocratio.gr/ckfinder/userfiles/files/vazopibejudirodorogidopow.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/butituritidurisurati.pdfIn PDF document text
  • 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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