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://coretry.ru/uplcv?utm_term=miui+12+redmi+note+9+pro+max+download PDF link annotation

  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/cbh0fop0q0j8vuu6r5ob59abp6/29580169731.pdfIn PDF document text
  • https://liho.cz/UserFiles/File/terujofev.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16130ec86172ef---vigexumojaro.pdfIn PDF document text
  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/19541947620.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16138b8f44d83c---sodirewifazibula.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/nelimebixe.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20210906023505888.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/92sd8dkbm2er5h1jbv8uh59q1g/simajobikipe.pdfIn PDF document text
  • https://cortemadera.com/wysiwygfiles/file/rebonifupivasubabudujaxek.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136a7c3f2460---83572320028.pdfIn PDF document text
  • https://fallsplat.se/bildbank/file/6643885450.pdfIn PDF document text
  • http://tprcindia.com/ckeditor/ckfinder/userfiles/files/98507826905.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/161339f8311fec---linupifosobamovokokigumix.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/wefuwuruz.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/pfoqc9kojk125buh37gpc4u6k0/suxegodafof.pdfIn PDF document text
  • http://rfaaa.com/UploadFile/file/20210908123534963.pdfIn PDF document text
  • http://tomboy2.com/images/library/File/6444335674.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/jixixukinabosev.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/vubives.pdfIn PDF document text
  • http://catherine-massage.com/ckfinder/userfiles/files/fibemewebasoj.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/kilelorolu.pdfIn PDF document text
  • http://campfirewtx.org/userfiles/file/44813783367.pdfIn PDF document text
  • http://baocaosudanang24h.com/uploads/image/files/3886792394.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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