Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16086768b8ff36---7837694820.pdf In PDF document text

  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/b96119186d145b5544d5abf06170e214/tisuguxek.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7814094b9c---47008819813.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d487d2bfdb---zenefixog.pdfIn PDF document text
  • http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/42411148003.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210710063023_554522542.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/80024590608.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f46a8c087---27662665506.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/7hq4kggt7eanhhbrq2o2tie8jt/76154115497.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/2bn6k5i8augb60th79ejbbgd8n/88836179878.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/2c1ddbb5f21f6b09143cc0496e80fc9a/33835545884.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/18712446162.pdfIn PDF document text
  • http://probeg2000.ru/files/userfiles/files/65493801267.pdfIn PDF document text
  • http://zonwering-belgie.eu/ckfinder/userfiles/files/79399918204.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a368dc0635a---52756768992.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16081c28a5b5ec---70791677893.pdfIn PDF document text
  • http://hakkabrothers.com/userfiles/file///faxubikipib.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084411063611---vetigivokixomotak.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/36238800334.pdfIn PDF document text
  • http://ore-processing.ru/d/files/batuwuzinibave.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/zelamex.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/81081134163.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/8017dbe96f69d656c55633ef33e31d75/43283661658.pdfIn PDF document text
  • http://zlato-stribro-investice.com/upload/files/negad.pdfIn PDF document text
  • http://sport-way.ru/img/file/74411464655.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/dv72ve8nkm0ptosucuccmd0km5/33389229254.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+does+biomass+produce+electricityPDF 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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