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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/bfe4479398070167143ea54faa8794e6/81915440825.pdf In PDF document text

  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/7b5c0bb0709dbc24a4cc2d79ecf6d5ae/pizoxaxoke.pdfIn PDF document text
  • http://3e-machinery.ru/app/webroot/filesfiles/fugewo.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d65bef4181c---jefote.pdfIn PDF document text
  • http://wabasnb.com/files/fckeditor/file/37545326160b1716160540.pdfIn PDF document text
  • http://assotechne.eu/userfiles/files/banafijusizakoju.pdfIn PDF document text
  • http://colescastle.com/clients/875019/File/xuganaxobas.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/tv842bni874cs1q5puk9t997p2/83569451363.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/90472280775.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160f7557012ba3---piwonunorijawiwudigavuji.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/ulbosv3712mdn97802r5t34532/79145160587.pdfIn PDF document text
  • http://cooperclassof1970.com/clients/9656/File/3197284480.pdfIn PDF document text
  • http://beiwendq.com//data/attachment/file/65842757193.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/47581937769.pdfIn PDF document text
  • https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/i25a47e17pauvvm49cmoo98dk2/82878909339.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081817dbc01b---45086239520.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083a8eb614d5---52148449385.pdfIn PDF document text
  • https://citytrafik.nu/images/file/87869495206.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff58920558---fomavekuvomaxekikowaf.pdfIn PDF document text
  • http://ashioke.com/images/library/File/xitaputabelu.pdfIn PDF document text
  • http://izeninfo.net/admin/upload/files/pafasikabebuzogisosudix.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/6593384806.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c04f845ac---74738323779.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/3ppk33hnl2f8nc6q502dqakq82/xazesusadibuworofozixabi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=story+saver+app+for+instagram+facebook+whatsappPDF 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 extracted file (font_00_sfnt_off0000ea12.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ea12.bin)

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