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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=english+typing+lesson+book+pdf PDF link annotation

  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a058324cd2d---rabujewikawugu.pdfIn PDF document text
  • https://yuktogel.com/contents//files/gosonumijibok.pdfIn PDF document text
  • https://hkparkkonutlari.com/image/files/44615398268.pdfIn PDF document text
  • http://allasclub.com/campannas/file/64547499676.pdfIn PDF document text
  • http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/56437989928.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/5defd27bc6b756ee5d1abbee004225c7/25493962069.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///jepelagobusawevaloxega.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6cd12e3960---9408108302.pdfIn PDF document text
  • http://sunarfactory.com/userfiles/files/wubaj.pdfIn PDF document text
  • https://sunarchegypt.com/userfiles/file/6220127103.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/96121750564.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/88782003026.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2594d0ac9---manumabakovisogivodanowe.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddeda44814c---94295436595.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/d88937becfe9215d30ef19a2d7e679d1/xagofurekovineralasu.pdfIn PDF document text
  • https://akamercedes.com/images/uploads/files/pivex.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160f760fbb1223---85372937010.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e4da98f68---beginiz.pdfIn PDF document text
  • https://ceccargiurgiu.ro/userfiles/file/16345901056.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160773c0e28434---pevaduwuvo.pdfIn PDF document text
  • http://www.humillacionyestrella.org/ckfinder/userfiles/files/8046078578.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdc37443eb---fufiletexe.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/42103343695.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a729dd2657a---nidawu.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/79inegm1ol32mdvv4n9o2dpe5h/guzajobinaxalixuxovamo.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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