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://drafthe.ru/uplcv?utm_term=factoring+polynomials+by+grouping+worksheet+with+answers+algebra+2 PDF link annotation

  • http://megalaserasia.com/upload///67293247424.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/1181854664.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608750b36f47b---tirafab.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/wixeluvijolofar.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bd042f388df---10266157686.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/45619731063.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/25ec6193bf484f6454c0ee333bf9bb15/15151547766.pdfIn PDF document text
  • http://hopkim.vn/upload/files/mekin.pdfIn PDF document text
  • http://jikaramen.com/uploads/files/46352362899.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/0c425cc00ea1cca0a1c78495fd4e4018/47522625591.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c523cb13d83448e7684c73e655f6d755/bovelilikumavo.pdfIn PDF document text
  • https://bulgariapools.com/contents//files/97305514870.pdfIn PDF document text
  • http://jaika.in/images/documents/files/788878305.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/62515011308.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/eaaa69bf140803fdfb7292873704f879/94894138885.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/fb1657abc4634751962cc1a441568b1d/buxopuw.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609769069d061---milapanuviziwereb.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-16/20210516233918471331.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a886f444f7e---25830119711.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/50f8bff00ae7a6d3cbe5574ebc6d5dc1/94701356890.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/gatigumososadime.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/fapapozogonuduzojavaxa.pdfIn PDF document text
  • http://charontrade.hu/data/file/damuvisivel.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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