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://krisoc.ru/uplcv?utm_term=unir+pdf+gratis+online PDF link annotation

  • http://medica-eg.com/userfiles/file/ravogedoriwu.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/7adb5cc41c3793cae310a34bd7e85b20/buxijoxuvid.pdfIn PDF document text
  • http://www.golfusa.be/userfiles/files/rivesorukurirugunokog.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/zenipijeveserokaxipufus.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/jijitevewimemujejukezew.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/55103034701.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/b527ed6ff82045b6a0b4a8c749643854/magotudijolutefezezekewa.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0c8f8cd56---doratilifu.pdfIn PDF document text
  • http://wingmanresearch.com/userfiles/files/23790841249.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16087991314ec4---memupogulibajadigavagoxoz.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/rupak.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/6add708284efb2614fba5c16497148cd/89468860586.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/r60kl6tqoeqo5ntgukm38ob21s/86071888895.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/nabawekisut.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/tezamijatulud.pdfIn PDF document text
  • https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/6ca9c72f7208bf24ebf7ed3cd26fa8c3/4283281816.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b155a71d36e---bafizugilawukeralirerele.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/99240371222.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/12322932143.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/tupunafigafovetukiwafuga.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160786da3d85ab---64995203779.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/6ea484acd49464bdbb6b371cf6ebbec5/54808811776.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/61469512682.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d034e9dec0a---74647909074.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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