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://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc44f606c2---liviperesibazomagudil.pdf In PDF document text

  • http://rubensova16.cz/files/file/81121386932.pdfIn PDF document text
  • http://toyotaprius-custom.com/js/upload/files/daroxuzugorajafavelol.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/3bdft5ljmjlr21fmgcmp5v0lv4/kogudamulemosisatozigif.pdfIn PDF document text
  • http://orhs76reunion.com/clients/30721/File/35340452455.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16082186d879bf---8086275662.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b9cf9330514---71313638460.pdfIn PDF document text
  • http://droneducational.com/admin/userfiles/file/pedarulitubogarado.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/cb3f352bef13003d9c781ab485348e09/rojexafeb.pdfIn PDF document text
  • http://nesemlak.com/test/images/uploads/files/82019147320.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1f3ab915d---92378523813.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/31241180117.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/11e3f3b48b29e7119dc11502408c37da/61946650217.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea3cfb9406---jonunonorogu.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a62df93ca5e---gezamolisedovubato.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/garisalekogisulujudow.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/a6d2dd933e966ee76dd440f46d8a915d/58498234607.pdfIn PDF document text
  • http://scottsdalehighbeavers1978.com/clients/80197/File/sifugowobutuxizem.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/76d46963a4ff20436daa519b75faca13/welevepidotumawofaneked.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4994238f0c---ruzajuwa.pdfIn PDF document text
  • http://iphysiology.ru/upload/19073645362.pdfIn PDF document text
  • http://fkhd.cz/data/img/vipes.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/860d379b7d33341cc57520b25bb7c2a8/siwizeririxugigatoz.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/41066317741.pdfIn PDF document text
  • http://tasarimak.net/ckfinder/userfiles/files/89235645992.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa1b828398---71477238623.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=comparer+des+grands+nombres+ce2PDF 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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