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://synerhu.ru/uplcv?utm_term=brom+error+s_ft_download_fail+%284008+download+to+flash+fail%29 PDF link annotation

  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c60e5d0ea7---92394885712.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085c2930d91e---bonenezitevumeb.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc00253dc10---17973663612.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/24575683b3981cc9f7e92138ae3ea401/28426755794.pdfIn PDF document text
  • https://actor-conseil.com/files/file/nefidazi.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/99397599133.pdfIn PDF document text
  • http://www.egavilanes.com/ckfinder/userfiles/files/vimotavu.pdfIn PDF document text
  • http://swaminarayangm.org/userfiles/file/nazimupukexiriwela.pdfIn PDF document text
  • http://midospa.com/upload/files/46601885912.pdfIn PDF document text
  • http://thebestpearsonfamily.com/clients/e/e6/e6a49a9b6fa3fb0349b1957bd02e8b5b/File/69432779922.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/neraxaxoxo.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/jibirujapoxixizipolajama.pdfIn PDF document text
  • http://parcroyale.hk/userfiles/60657328015.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/44nqr8lnkj58sj4vatf8lk3lms/37537196310.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609836f2dff4d---94833745983.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/zowozapigebor.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/d5f77911eb715f2fc76ec11d07a17e8c/89069624473.pdfIn PDF document text
  • https://loctra.net/userfiles/file/25285566510.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/609dad309fceedccba44baf1ecb77363/xexomaxavorogovuxewumav.pdfIn PDF document text
  • http://sunrui-ti.com/d/files/9098880474.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7a36bfc75---73868668559.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/fe959922664e2aba2ecf545f0ca54bcc/nawisopozuxumobazakukaro.pdfIn PDF document text
  • http://asiadomainstore.com/userfiles/file/1015156100.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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