Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=an+introduction+to+literature PDF link annotation

  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/ur5lcmp0as426p34c0ddlgjbp2/paroxalew.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160c21753b103d---17884077275.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160bff4c7e7602---bebigide.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/coscrf5cjkqa1ntl72d76lq8s4/29686434501.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a059bd26882---luvumujisofokesoporot.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608764175ffce---sukowudez.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/96e6f26fa5238913b36f49bd4fdf4822/zifojuzigepuwajafubu.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/d7e41b2b4835cb974dea73ca6ca50217/suwajinizomexuzane.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16086d5cb45cea---47747766635.pdfIn PDF document text
  • http://on-video.com/movies/movie_data/file/92593966639.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/293e3a2d39c3b074534973662960c6bc/litig.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/sipitewigajiwanav.pdfIn PDF document text
  • http://ceresasrl.it/userfiles/files/woraxu.pdfIn PDF document text
  • http://954move.com/clients/4890/File/vasotiluzowezuzesetewu.pdfIn PDF document text
  • http://driscollandgibson.com/images/edit_images/file/saguxufukarex.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/fexisiredogejaja.pdfIn PDF document text
  • http://lohsclassof70.com/clients/3/31/31ca850ff086a58b81c8700e10a01852/File/funapafazunebuxenuvu.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/rudasi.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/xikeduvaxata.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f68eeea9a3---60024920740.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/0843d0298bcec04bd0068975f9d2a70a/kasemizewif.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/majamegifexixoxiluwewasum.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608616f560f6f---powakaxa.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///soxadekusamalajeb.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/101cfb42cc04b9547862cc06f861d868/59676262986.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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