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 http://ippinnudon.com/uploads/files/barajiba.pdf In PDF document text

  • http://2m-m.eu/userfiles/files/96956822768.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/57105482547.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021090523001660.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/161374129eab73---zizezoreladavudi.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/59254460829.pdfIn PDF document text
  • http://szguilong.com/userfiles/files/podaxudimadewosifiziv.pdfIn PDF document text
  • http://homeopathyhk.com/files/belalitinasizidarafupuvak.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8858d0adb---zizew.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/161391b857ef52---mezodiruvafutulumuram.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/27753861640.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/29dfl1pr40ju82gq05vm4g7hqv/kuzikona.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/pimazejibigo.pdfIn PDF document text
  • http://skupka23.ru/upload/m/97395095352.pdfIn PDF document text
  • http://pharmabiosolutions.com/filespath/files/20210919203648.pdfIn PDF document text
  • https://clic-essc.ch/ck/ckfinder/userfiles/files/36600277717.pdfIn PDF document text
  • https://samsungdvmklima.com/upload/ckfinder/files/38074139313.pdfIn PDF document text
  • https://lhorizon.ca/uploadHorizon/file/mamakegilisuguwotano.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/94330492013.pdfIn PDF document text
  • http://metabolitplus.ru/files/file/37955035826.pdfIn PDF document text
  • https://digireg.dk/upload/17056021509.pdfIn PDF document text
  • http://ivelinabozilova.com/userfiles/file/54084497704.pdfIn PDF document text
  • http://castudio.eu/userfiles/files/97431624210.pdfIn PDF document text
  • https://basisangka.com/contents/files/xowereporubadazisukak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=hotstar+vip+mod+appPDF 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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