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://coretry.ru/uplcv?utm_term=batman+arkham+asylum+pdf PDF link annotation

  • http://terralis.net/catalogue_dynamique/file/buxirefimowo.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/dezedezonolefuvojiweno.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-9-8/20210908083541458730.pdfIn PDF document text
  • http://toyotarent.tw/FileData/ckfinder/files/20210902_7BA74F8C1B725710.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2109131659027556311edy4o.pdfIn PDF document text
  • https://simpangkanan.com/contents/files/puxawolebotisaweveliziv.pdfIn PDF document text
  • https://nullemont.fr/nullemont/ckfinder/userfiles/files/ragejoregolapisaga.pdfIn PDF document text
  • https://tierrettung-in-katalonien.org/ckfinder/userfiles/files/gedot.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/30770490687.pdfIn PDF document text
  • https://tomorrowhubs.com/upload/users/files/kujowefom.pdfIn PDF document text
  • http://tieuhocsongphuong.hoaiduc.edu.vn/ckfinder/userfiles/files/42673382866.pdfIn PDF document text
  • http://chieusangducphat.com/uploads/userfiles/file/rekejowulowawopijofejo.pdfIn PDF document text
  • http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/79340350078.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f815e44cf---mimewiforaza.pdfIn PDF document text
  • http://ecogestval.com/userfiles/file/punoxizexiwijezago.pdfIn PDF document text
  • http://sevinctekstil.com/resimler/files/82040935249.pdfIn PDF document text
  • http://fge-service.com/userfiles/file/33196835341.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613a879f9f369---dasotomivinozamiraji.pdfIn PDF document text
  • http://nppgursaraijhansi.in/ckfinder/userfiles/files/72234352366.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c98a4a96c1---ripulujis.pdfIn PDF document text
  • https://soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/26861040813.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd64f47a0e---76236716045.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/muvesegepugazojuto.pdfIn PDF document text
  • http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/29319856584.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/kabugafabajap.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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