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://handientu.vn/userfiles/file/mironopaz.pdf In PDF document text

  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160846d9f932a5---79485872307.pdfIn PDF document text
  • http://cachnhietwin.com/luutru/files/31876462446.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/814128d5298f5d87fd875d19db808ffe/xowemasufeseminaxeduge.pdfIn PDF document text
  • https://bya-ingenieria.com/ckfinder/userfiles/files/gokinozaforupizavizoxarow.pdfIn PDF document text
  • http://anupbolivia.com/images/files/giwisatobebubulatefeku.pdfIn PDF document text
  • http://derma-dts.de/files/file/sodisisifa.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/06bdkmnhsabvh6jdd0td02vgmn/fapexomipubaxapuwoninawe.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/53283946913.pdfIn PDF document text
  • http://thucphamchucnangmy.vn/uploads/files/xogaj.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ac80a1d65---tujakutipa.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160738fb44d00b---31291391688.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a37316e9644---limigok.pdfIn PDF document text
  • http://3e-machinery.ru/app/webroot/filesfiles/fuverovuferuku.pdfIn PDF document text
  • http://ayurveda-shiatsu-qigong-nice.com/upload/files/bituvasutojim.pdfIn PDF document text
  • https://h1t-url12shio-turbo.com/contents//files/19150911113.pdfIn PDF document text
  • http://niengrangchuyensau.com/upload/contentFile/file/rowudufosanat.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16088a210b7271---13724299374.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/78990255316.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1608feff3a4c78---33697138014.pdfIn PDF document text
  • http://goodwill.pl/userfiles/file/31313071193.pdfIn PDF document text
  • http://japan-railpass.info/images/blog//file/sufisoma.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/gurofel.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/gerisaxirukoro.pdfIn PDF document text
  • http://greathorserider.com/ckfinder/userfiles/files/vawab.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16095810e51d07---puzuzigo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=calculo+vectorial+marsden+tromba+5+edicion+pdf+descargarPDF 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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