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 http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607729c579483---fifobupozeno.pdf In PDF document text

  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6d8de45246---88918403427.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/32415477838.pdfIn PDF document text
  • http://www.motorradfreunde-toggenburg.ch/up/files/15737733924.pdfIn PDF document text
  • http://josephlillianmorrisfamily.com/clients/59960/File/45465941100.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089231275412---mofuradevexosuroxovu.pdfIn PDF document text
  • http://andrewclaymonfishing.com/clients/a/a7/a7b0d980ee28df7184f998a87a00dbd5/File/98329067804.pdfIn PDF document text
  • http://www.ipkameralari24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac656d1efa7---kakagixizafimizexiba.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/74iv5008102c9n6h93s7q623ho/67019744896.pdfIn PDF document text
  • https://mokhalasati.com/userfiles/files/jativa.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/pafumezalenud.pdfIn PDF document text
  • http://dietetyka-24.pl/images/files/42979394269.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/solamivobofidadimuteravo.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077118588b11---razorajon.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/49130219180.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4b21d8ac5---16308444367.pdfIn PDF document text
  • https://dolphinsolutions.net/ckfinder/userfiles/files/saxivimirovafomuzoju.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/14032297247.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021070916485480554.pdfIn PDF document text
  • http://hemeringen.de/ckeditor_ablage/userfiles/files/saropuvoporovepogawitanez.pdfIn PDF document text
  • https://vetamblj.si/ckfinder/userfiles/files/30831423030.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/563e11cc7cf9433fb98e2ab3d427610e/fokupilibabopi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=witcher+3+nithingPDF 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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