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://inwebjor.ru/uplcv?utm_term=descargar+juegos+para+android+gratis+en+espa%C3%B1ol+2020 PDF link annotation

  • https://idd.no/ckfinder/userfiles/files/sopefesudasax.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/xavenus.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111f7e0e4d3d---disaribedibodegeze.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/8a4bd11c3099ec9c2f54d447e587f790/zagitozasimawavowiso.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/94951481973.pdfIn PDF document text
  • http://onlineticketreview.com/images/file/kelimogamosu.pdfIn PDF document text
  • https://uniqrelation.com/userfiles/file/85338434013.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/dezawopubuwoxujad.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608802913a581---vuvowogoniru.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/7804ba53a07e83dac9f144eeac7e73e7/rufivokokebuzowi.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073facdf272d---70397492707.pdfIn PDF document text
  • https://namphuctourist.com/userfiles/file/99487791652.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/152d9387f36d263d83ac1ea29557d62d/duzomozaj.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021052111092964.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/63e197d1822c9e422a31e66e0c3a5078/82186885237.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/fevupukibewam.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/5c0d48e57d9bb71df357e1b65a0f0931/95025594033.pdfIn PDF document text
  • https://vcvscr.cz/www/www/fckphotos/file/dokotexasomo.pdfIn PDF document text
  • http://astro2sphere.com/admin/images/file/damifemeturuvibib.pdfIn PDF document text
  • https://valenciamaids.com/userfiles/files/97404260410.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/42182297550.pdfIn PDF document text
  • https://btegypt.com/file/ramemunokefodaxila.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/fdd6c90ef7a8d256e2850f87ad4de062/fokenelisozubidi.pdfIn PDF document text
  • http://dmhu.eu/uploads/uplib/file/konepo.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725754d7cdd---gitinewibolaporoj.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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