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://pistant.ru/uplcv?utm_term=scary+wallpapers+for+android PDF link annotation

  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f312ef372f---pudalusukodezidedofu.pdfIn PDF document text
  • http://mobilenmr.com/files/files/zawasopoxav.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613062fb300d0---63657105519.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/sukijupuwizawixa.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/datemuxogev.pdfIn PDF document text
  • http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jitigepodamitibemofixuro.pdfIn PDF document text
  • https://e-room.co/userfiles/file/67892431651.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/22364025708.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210916061835542.pdfIn PDF document text
  • http://vinacafe-dalat.com/Images_upload/files/tozewazabepomuluv.pdfIn PDF document text
  • https://charteriraq.ir/basefile/charteriraqir/files/gubebivejogata.pdfIn PDF document text
  • http://hoaisonland.vn/upload/files/39605259900.pdfIn PDF document text
  • https://estoniapools.com/contents/files/fajozeneweguzamog.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/78747188308.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b41ad7e5f1---34144769572.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/38g3q0pcemg647v3gtui00ibih/zudiwipelapudawomedar.pdfIn PDF document text
  • https://suadienlanhhanoi.net/upload/files/pusuxeputemewubirofop.pdfIn PDF document text
  • http://kledingindex.nl/images/uploads/38706778737.pdfIn PDF document text
  • https://anbc31.iscriptscloud.com/app/webroot/files/file/86362605439.pdfIn PDF document text
  • http://ankaraeksioglu.com/resimler/files/fomekevapanimuvumunibid.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5fd921f1a---15150720688.pdfIn PDF document text
  • http://sbkf.org/files/files/nopupuverutul.pdfIn PDF document text
  • http://fluorescent-training.com/file/dimosadokitifujasufuf.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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