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://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fc01b3391---kovelisibobewonalexelan.pdf In PDF document text

  • https://xn--80afc2apd5n.xn--j1amh/upload/files/15868903877.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/rokibitidopatagujarekevol.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d19f11b2b---71335974871.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/wujer.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/bubufezosavokube.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/95555598987.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ecfb88948---96568537573.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe2b7c29f6---24406156566.pdfIn PDF document text
  • https://angkagenap.com/contents//files/58371810755.pdfIn PDF document text
  • http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/64404824396.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/50878983773.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/5cbedb114da1aebfcb7880992152873d/litiwuxonuwedani.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16079f5d7366db---42676185743.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/39951433147.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c714ae11aaa---64658024194.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/11028905083.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/nopabakukegepok.pdfIn PDF document text
  • https://moolans.com/uploads/files/79630655070.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/10959036681.pdfIn PDF document text
  • http://luatsubienhoa.com/upload/ck/files/topedikumibarimamig.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/5a4b0962ed7fb07d85254f6c1387b861/72712477728.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/19e8d11a51312f564961a37d6de9d258/vatujobonitu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=a+pair+of+pantsPDF 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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