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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 http://kindergartenhelden.at/upload/file/40435009253.pdf In PDF document text

  • https://sreekanakananda.com/ckfinder/userfiles/files/lutimawaveti.pdfIn PDF document text
  • http://carzip.biz/files/uploads/files/31350519533.pdfIn PDF document text
  • http://praguynakorn.com/praguynakorn/picture/datapro/files/1874224508.pdfIn PDF document text
  • http://webminmax.com/userfiles/file/luwebinimitas.pdfIn PDF document text
  • http://rothemtour.com/FileData/ckfinder/files/20210905_CDD7D3386B2CFFEF.pdfIn PDF document text
  • http://p-jtech.com/userData/board/file/86771938565.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/denita.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431c38020d4---20825549450.pdfIn PDF document text
  • https://flyags.com/editorResources/file///ximojusovomivokalixejudo.pdfIn PDF document text
  • http://veterky.ru/ckfinder/userfiles/files/linufakerajerukaf.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/rv04k9nhmct3aj5v9en2i79qet/45307586113.pdfIn PDF document text
  • https://nisahanpin.com/calisma2/files/uploads/5361379123.pdfIn PDF document text
  • http://laduses.nl/image/file/vanuxesoz.pdfIn PDF document text
  • http://steelbo.com/uploads/admins/u0/files/20210911115918.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/27457293847.pdfIn PDF document text
  • https://liantoong.com/archive/upload/files/wuvaturepelonugulekamaw.pdfIn PDF document text
  • https://equalland.com/uploads/File/21442491707.pdfIn PDF document text
  • http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/genavaxitafaga.pdfIn PDF document text
  • http://semihkerpiccilervesupersound.com/upload/file/67836165618.pdfIn PDF document text
  • https://archielectronics.com/userfiles/files/96138277701.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311d7934f9a---vazofeturem.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/80022093254.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/92434279895.pdfIn PDF document text
  • https://i-intelli.com/ckfinder/userfiles/files/1448863616.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/lokena.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=thop+app+installPDF link annotation
  • 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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