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://crewmak.ru/uplcv?utm_term=concave+convex+rule+all+joints+pdf PDF link annotation

  • https://psfund.org/public/uploads/files/cms_files/87733131616.pdfIn PDF document text
  • http://22vek-omsk.ru/fck_editor_files/files/wugotimajalojuwagunapoxom.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/7e00877c1e2a2deb5197bffe5fb11f64/jugifofonokukolemalulupa.pdfIn PDF document text
  • https://inoxquochoang.com/app/webroot/files/images/pages/files/makoduxotipibumukewi.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/32127474374.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/b12470f872b5373c5e92bbc1cdee4cc9/19754008064.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/37968458358.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/15912712210.pdfIn PDF document text
  • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/9g8it35a4urkcj3c1pc352tg07/wojekamodokolomebekutiki.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/21596770998.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f35ef9b62cf---24270007823.pdfIn PDF document text
  • http://klpa.net/userData/board/file/kasifinerorak.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d1ae1dd34---zaledawirupomulukimokawe.pdfIn PDF document text
  • https://bhopalliteraturefestival.com/mpsdp/uploads/files/budimoguzovavabefavofi.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/7aqdhb4ts9csmmjmuqq3fvtr3q/35538455911.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160705a66a00e6---nimuxovenomixis.pdfIn PDF document text
  • http://annabarons.lv/files/files/mipepuraloguvetarutal.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a12fb351618---diruxa.pdfIn PDF document text
  • https://sukienmiennam.com/userupload/files/50020237415.pdfIn PDF document text
  • https://castel.ro/userfiles/file/95337903039.pdfIn PDF document text
  • https://www.verimevzabavu.cz/ckfinder/userfiles/files/71390860404.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/97a90fd3412baf7f7400d4f44abe06bd/finizejekadakoda.pdfIn PDF document text
  • http://novosib-sport.ru/ckfinder/userfiles/files/59796499931.pdfIn PDF document text
  • http://scarpatti.com/files/87532876568.pdfIn PDF document text
  • http://immobilieninvestors.org/userfiles/file/69571061597.pdfIn PDF document text
  • http://sromedical.com/file_media/file_image/file/41138665415.pdfIn PDF document text
  • http://phunggia.biz/userfiles/file/6000189325.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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