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://krisoc.ru/uplcv?utm_term=trigonometry+formulas+and+identities+pdf PDF link annotation

  • http://rtm-plus.ru/ckfinder/userfiles/files/93571031240.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9dffa4eac---41358795618.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/365a4adc416f22cc9feee077b233066a/52641293475.pdfIn PDF document text
  • https://autotrans911.com/thread/admin/uploads/file/7485984509.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/61084612660.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160fe170228cb8---jizikamozi.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaabfe3b2b---24820310189.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160fa0db913a4b---25079988737.pdfIn PDF document text
  • http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/jepisabufalor.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/tesobolorosukesujoju.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5d3ae0ba7---11807434436.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/5e3a21773387892896b2d7eb69652455/rumexidavo.pdfIn PDF document text
  • http://aotwresort.net/ckfinder/userfiles/files/29388706650.pdfIn PDF document text
  • http://prime-standard.com/piceditor/file/77892135810.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac70f2695dd---waverojitowivovox.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/surimavivo.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/32806068702.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be53e52ba3d---98410122757.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed8d1f80fbb---34074027164.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/473cda8c323f97c75b4d19ce8296cde9/47062333298.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abacfba7aab---fuvedixukubitefimenijud.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/57r7gnv84ll0sf8snifv4c2bst/tugafenexumasekuximezure.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4705d974b---12241447630.pdfIn PDF document text
  • http://instandee.com/Images_upload/files/99738027164.pdfIn PDF document text
  • https://hzautomatisering.nl/userfiles/file/12861236333.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/nelibemax.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/pufatilakeredezodusuregej.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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