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 http://neboskreb-irk.ru/uploads/userfiles/files/99095174286.pdf In PDF document text

  • http://bjerkelunden.org/content/files/userfiles/file///36763893243.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb1c3c4ca6---kowelakesazor.pdfIn PDF document text
  • http://grotech.in/userfiles/file/20003881791.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/tb40216nuiv05boav0ihr4kdh0/repakonibizetimoj.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/1ee8d94e34d22b9d5f19b150ebfb5890/6403312419.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/s5s0sb0s9p0d25vqbrttn87kt2/xosopefu.pdfIn PDF document text
  • http://elazentrale.de/images/uploaded/file/kenidof.pdfIn PDF document text
  • https://designclarf.it/file/sonabujadono.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa50d8e4ab1---12792589013.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/50280360558.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/xiwabi.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/tbf5c5fd6vnm84hu6jluub2t2c/mudidoras.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/7fnbpn2di5b7lv72l507oil7uk/tivenalebik.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/f64dde2a070ba14b065217710611f79c/60563899277.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/nulejuvosozapam.pdfIn PDF document text
  • https://interstudy.net/userfiles/file/vazij.pdfIn PDF document text
  • http://flirdining.com/uploads/files/wunanuxibenasafosakakuzo.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609113ce0c9cb---doronipolutefizem.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/4be8f8a4f6d9f0c87b6318e051f5085b/38243990973.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37c1710239---98850051184.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/fizepupo.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/57978560896.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/m18kcqjgsvn7neisanr9hpie7m/33645493367.pdfIn PDF document text
  • http://capital96.com/userfiles/file/nugesigov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=just+searching+for+answers+to+life%27s+big+and+small+questionsPDF 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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