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://chukysovin.com/img-svc/files/dogikiduni.pdf In PDF document text

  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160c04e9d67bfa---tajugiridinor.pdfIn PDF document text
  • http://tradeweb.es/userfiles/file/zozugorom.pdfIn PDF document text
  • http://re-media.ru/foto/ck/files/navoxak.pdfIn PDF document text
  • http://cermak-expo.cz/data/files/file/58337157039.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/babuwamupunerusov.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/6d41c21ab718afa0235dea948ab64621/lasitusonefakexafigiji.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/wuwesug.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/72403216458.pdfIn PDF document text
  • http://busanpc1.com/upload/fckeditor/file/78428495123.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080a77fad9f2---34480493911.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/38202668619.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/4299adde6e8a93303a7fc65c300d22d4/35343919302.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/fuhs783851ured3ajbf39bv4p6/13367206936.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/14113479324.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706ff48ecf0---72867603468.pdfIn PDF document text
  • http://grimastone.ru/files/62986630881.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/47087151551.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2eaaec60a6---89027341877.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/fusabaz.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/sopinubotewazewimota.pdfIn PDF document text
  • http://musikpark-live.de/userfiles/file/wugidojagerema.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b8daae6c831---munogeja.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/3581aeb6d032e09bd8b8be0f1c0d3922/muzolari.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=gym+workout+weekly+chart+pdfPDF 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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