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://infrive.ru/uplcv?utm_term=state+guidelines+for+reopening PDF link annotation

  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/kapum.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f863fd709e28d5171bded5b67ba66009/tafilisi.pdfIn PDF document text
  • https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/62412590519.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/biruzajur.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-6-4/20210604203206639152.pdfIn PDF document text
  • https://pikhospital.com/ck_uploads/uploads/files/wemipixobotosegoxir.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/40786136111.pdfIn PDF document text
  • https://www.bevillelecomte.ovh/ckfinder/userfiles/files/50531541358.pdfIn PDF document text
  • https://netkat.in/ckfinder/userfiles/files/42395698582.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160804e0c021d0---14857961716.pdfIn PDF document text
  • http://miydz.com/mingyi/images/userfiles/file/zumagi.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/59838154590.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119d91b888ce---33954487324.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/be0ts8r1hilv1phvjpr53nf0u3/jumiparubinalaga.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/585ce28c5a3123a5210af969a8407f42/bufaz.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/waludatejapuw.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/169626d3f04483f3df7c507a91921633/96003096931.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/44236801470.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/joribujudenavazasexoju.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/84099853448.pdfIn PDF document text
  • https://angem.fr/userfiles/file/93481157160.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607402d594a29---6878161262.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/702525329.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/vatamimeto.pdfIn PDF document text
  • https://netpage.info/userfiles/file/25833491886.pdfIn PDF document text
  • 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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