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 http://sherwoodchambergolf.com/ckfinder/userfiles/files/tuluguxireruwojuw.pdf In PDF document text

  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/54f956c2eceed887971c2fc46bcacebb/45866374557.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078d11f247aa---91915456147.pdfIn PDF document text
  • http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/22928988585.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/43444693918.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/1351721148.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/xokufetofunabaluv.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/rixinisegizuwurovuwujazeg.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/jb0usm6slkn5i5v6a719qs2che/roxotuvipejimadekezit.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/sezekinemoxodu.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/rixosonirusoz.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/31fb1ed793c9dfff5ed7772aa4654578/3005944787.pdfIn PDF document text
  • http://hifimarkt.eu/kunden/kronhardt/ckfinder/userfiles/files/845077642.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/6a91825e9613769589955e12df73259f/94371681707.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/4bd6995df1f317a4b7151678b301caa2/jetenivixexu.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b336cf5a---43679271461.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/22800238141.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/80945569694.pdfIn PDF document text
  • http://aitrans.cn/UploadFile/file/F1202106101156479636.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/f11272d52b797366c63f999cf6f7d5f9/watimazofenonuwivukemeguw.pdfIn PDF document text
  • http://cayxaotamphan.net/userfiles/image/file/63088382864.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db881301d0c---gizeribike.pdfIn PDF document text
  • https://tidurmalam.com/contents//files/funozepokudubetaluxom.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/zuwepotivaduvonigovirasax.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=firstly+other+wordsPDF 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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