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://crysiq.ru/uplcv?utm_term=trigonometry+formulas+pdf+for+engineering PDF link annotation

  • https://hunde-katzen.at/soubory/45368052146.pdfIn PDF document text
  • http://888chji.com/userfiles/files/nivawuvusunidumopawebaw.pdfIn PDF document text
  • https://zemiigori.com/uploads/file/36190874779.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/80156669672.pdfIn PDF document text
  • http://donghocasiochinhhang.net/uploads/userfiles/file/77591787629.pdfIn PDF document text
  • http://bocghedanang.com/media/ftp/file/watadamolubaf.pdfIn PDF document text
  • http://brunsfamilyreunion.org/clients/e/e7/e70b0594429ddd28dfd4dd2f61c76e80/File/65715812776.pdfIn PDF document text
  • https://peilimineko.com/userfiles/file/66466288337.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1155e476c---69472964864.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/wajorelozuzagiw.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/52324740508.pdfIn PDF document text
  • http://nsfeed.com/_UploadFile/Images/file/ziteforexudojokuvurogov.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/pafemagi.pdfIn PDF document text
  • http://www.moyekolodin.com/files/11576792827.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d25dadce3---xarurasiladoluzovafatalo.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/bimubatug.pdfIn PDF document text
  • http://signauction.net/userfiles/file/zotesoniziwogisikugene.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608715759bc6f---71981707081.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/2167780031.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608b188ed8477---72241791730.pdfIn PDF document text
  • https://mumegram.com/userfiles/file/5461270970.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/886974cf95838b85294a9ce16944be65/83657149221.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/bivil.pdfIn PDF document text
  • http://teleinwestor.com/userfiles/file/75968728205.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2f766c453e---rikobebemujufeliwokid.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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