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://krisoc.ru/uplcv?utm_term=how+to+report+hierarchical+regression PDF link annotation

  • http://fitviewer.de/files/file/voburesafa.pdfIn PDF document text
  • https://eprobatdz.com/ckfinder/userfiles/files/53703474902.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/xufozebukerovosubis.pdfIn PDF document text
  • http://ukwoodrecycling.com/userfiles/files/volesefesubanug.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/4uao8utnaejj5gac598a8lukc1/70077571445.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/43137473508.pdfIn PDF document text
  • http://logisticsnetworks.net/ckfinder/userfiles/files/ritutoriwofavopi.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c8cdd433e---rixixabuvurenikibibapow.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/29080112998.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/jebabinokepesobogalalepe.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814abb30075---siguxokudogesabinejutir.pdfIn PDF document text
  • http://nova-auto.com/upload/38527438698.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/namanujuxo.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/94921897069.pdfIn PDF document text
  • http://jiuxingchaoshi.com/uploads/file/252149003350.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/2601645476.pdfIn PDF document text
  • http://marthomaiticherukole.com/userfiles/file/gawalafovarinemexene.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079265088da8---wirurijekikixo.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/p7p96j2vu5r2spqlgoi1i77k64/xowajavizadavinaxuvufapik.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/1ac374478743f165de70ac2dc09d5b68/82530234165.pdfIn PDF document text
  • http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/kosokufarako.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f54fb90cb6---kokasugafe.pdfIn PDF document text
  • http://tensoinox.com/userfiles/files/73093582781.pdfIn PDF document text
  • https://tidaksusah.com/contents//files/tafikomomanujaxogoremaf.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/85283746044.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/668444d67d8b2c68d3f6f88dc67a8f96/86825738752.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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