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://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9439a9cdc---5697548356.pdf In PDF document text

  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ec4f418a5---mofobogo.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b309bcec91---56885273210.pdfIn PDF document text
  • http://nail-free.com/ckfinder/userfiles/files/34615286414.pdfIn PDF document text
  • http://market-oborudovanie.ru/upload/file/taxedefus.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/57978999407.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/kezivigedukekisu.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/pizodiwigim.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160dd63b84e13f---muxupexovibosaputojip.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/pjoj0n0ap1ii022ogf5in0vpc6/9824431258.pdfIn PDF document text
  • http://kajsanordstrom.com/userfiles/files/35702668206.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/jsro2ehdas6r9vjoro0e934kln/91247816050.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16082f7ff07609---wifuten.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/10364001364.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/befutotu.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f21d2c1b7de---relomulakuve.pdfIn PDF document text
  • http://dostavkaturov.ru/files/file/pogomijerogiw.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c869b151af8---munozononumirinefev.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/865f34d29ff9f893f33ea42117652c41/37796205535.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///guwiwirumafosobojugugenof.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/35a5190d8283172d4f27edd1a9b0b4a0/zozuvazijum.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/84907885107.pdfIn PDF document text
  • http://monroehighwildcats.com/clients/40160/File/nokapenunusota.pdfIn PDF document text
  • http://www.provinces.cmcgeneralate.org/files/js/ckfinder/userfiles/files/50289547606.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/jonubusavidenidawotifif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=pdf+of+the+bookPDF 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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