Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6f5b96827cc06204d0e0ca890ecade5c/91230545228.pdf In PDF document text

  • https://iamtimeshare.com/userfiles/file/wusivigoxore.pdfIn PDF document text
  • http://vagyonvedelemszolnok.hu/admin/fck_upload/file/67744167363.pdfIn PDF document text
  • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/getarulubamike.pdfIn PDF document text
  • http://tuanlongland.com/upload/files/witalabewipokapofu.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/cdcc02421571126e639991a557751a8b/mizagixos.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/4649165452.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee6f698095---pivusipuwajisirigevo.pdfIn PDF document text
  • https://peoplesmodelinternational.com/ckfinder/userfiles/files/dejiputi.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/utrqei3usu6gqdjrbe3jroqbq3/30272306867.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/dururijigemupevudaxikusin.pdfIn PDF document text
  • http://molenat-energies.fr/molenat.com/images/editor/file/63639879084.pdfIn PDF document text
  • http://esistore.com/userfiles/file/zunumuvilagudunelox.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/78479993352.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/61725460490.pdfIn PDF document text
  • http://revucue.com/ckfinder/userfiles/files/balifelubatovuwa.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/rsgh8969a62fnjuplk8ltc9e6d/57666011460.pdfIn PDF document text
  • http://szerecsengyogyszertar.hu/editor_up/4890002001.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/penapon.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210910191116.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/nerujivel.pdfIn PDF document text
  • http://iphonedown.com/ckfinder/userfiles/files/32559543099.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/46219929295.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=convert+hexadecimal+to+ip+addressPDF link annotation
  • 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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