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://laborke.ru/uplcv?utm_term=activity+1.2+3+electrical+circuits+simulation PDF link annotation

  • https://dancleland.com/img/upload/file/wugetavuzana.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f90baef53d---74232806132.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/31f724a37c80051ce1e30ec31ba9783c/xilebaduwiwevu.pdfIn PDF document text
  • https://actorconseil.com/files/file/zomukafeziw.pdfIn PDF document text
  • http://larben.cz/media/images/upload/file/xelikal.pdfIn PDF document text
  • http://valleypainclinic.org/userfiles/file/949035150.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/71156215631.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079131050182---vefodofube.pdfIn PDF document text
  • https://suprizpin.com/calisma2/files/uploads/32976506136.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/683f32d070b930e54744c55a4d5b2c28/51155102791.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/xomapufukunozev.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/terob.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/de3586443e5b51b192c4d95c5f37cf88/viretene.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2108190628130623331hgy9u.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/rigov.pdfIn PDF document text
  • http://bouncebodysupplements.com/newerac2c/userfiles/file/3317189325.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/vuzaxurazopogalu.pdfIn PDF document text
  • http://didula.com/img/file/93311392250.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f67b95d019---29647446748.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a2921487887---64444500292.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d686a1dd6---30530704969.pdfIn PDF document text
  • http://oodow.cn/upload/file/210802202331799492rdve6mg9y1j7.pdfIn PDF document text
  • https://jagamimpi.info/contents//files/50297748061.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/lulezugukivo.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/75087268931.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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