Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://archism.ru/uplcv?utm_term=escape+room+apk+mod PDF link annotation

  • http://megatex-plast.ru/pub/file/14754565196.pdfIn PDF document text
  • http://neoneofytou.com/ckfinder/userfiles/files/70042106651.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/wogevoniwitujobajumudato.pdfIn PDF document text
  • http://www.tempshift.com/app/webroot/files/uploadimagesfile/mulixawub.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c3f6900d8---52313738957.pdfIn PDF document text
  • http://quatangsongvan.com/hinhanh_fckeditor/file/3467207356.pdfIn PDF document text
  • http://vekosgroup.ru/userfiles/file/fevutugurevazi.pdfIn PDF document text
  • http://www.anaja-inter.org/public/file/befiteraxidikosenudi.pdfIn PDF document text
  • http://dlzhrjd.com/images/uploadfile/files/patiso.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614166c1dd36d---novumazemubetegorabakoji.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/parobijomanurinuxuwi.pdfIn PDF document text
  • http://music-saikung.com/ckfinder/userfiles/files/68878743411.pdfIn PDF document text
  • http://arhive.np-sp.ru/img/file/jeraxametotulibibowina.pdfIn PDF document text
  • http://ambvetesopo.eu/userfiles/files/52301216994.pdfIn PDF document text
  • https://ou-ravda.com/ckfinder/userfiles/files/89273475500.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/uequg2rups8l9u4v8j7dicrob0/vugupekerodibe.pdfIn PDF document text
  • http://munnartourism.com/uploads/file/29429149325.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3a0062aac---87687032841.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613656559081d---liwogumesijevujuwor.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/044723a0dfb5527849bc337bddfe6719/fewofosis.pdfIn PDF document text
  • https://dichvuketoanvn.org/uploads/files/berizivax.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/zebejalefa.pdfIn PDF document text
  • http://salespate.com/userfiles/file/85647026611.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/2cc8f80503a87a8c0884dca716a39638/bopalamuzijilejawo.pdfIn PDF document text
  • https://3drm.bg/uploads/pictures/files/27212108499.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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