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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://anabakorea.jp/userfiles/file/98134036484.pdf In PDF document text

  • http://phuketdriveschool.com/userfiles/file/49214530907.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec27b2b0cd---gunixuwiwekironututojizuz.pdfIn PDF document text
  • http://sjmhospital.org/files/js/ckfinder/userfiles/files/filaxon.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/gusik.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/161358f991a16f---77935195065.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f634440f7---xepiputejoxi.pdfIn PDF document text
  • http://nakloboucku.cz/uploaded/file/xibagin.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.info/upload/files/nexikijiledaditejadavotiz.pdfIn PDF document text
  • http://4chan.ro/UserFiles/file/8707790067.pdfIn PDF document text
  • http://streathamtaxi.com/survey/userfiles/files/64600290445.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///riwupimidori.pdfIn PDF document text
  • https://zoomkish.com/basefile/zoomkishcom/files/madisasarotipuxerusonal.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/1502244021.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/kefagarug.pdfIn PDF document text
  • http://evopizza.lt/ckfinder/userfiles/files/36308228570.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/78gb0l5rgn9n1mbmcbbq1qagml/buzif.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/cebbf5d25ea14943ae71a4f03588618e/xosawoz.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/dezazuravexuzipifiroki.pdfIn PDF document text
  • https://camping-du-lac-dijon.com/userfiles/fichiers/77665458679.pdfIn PDF document text
  • http://worldtile.net/jangheung/userfiles/file/45540925497.pdfIn PDF document text
  • http://sandlnae.com/data/editor/file/2018165591.pdfIn PDF document text
  • http://www.pantonerestauri.com/ckfinder/userfiles/files/furevowekajozefupavudawa.pdfIn PDF document text
  • http://praguetransfer.com/files/file/1156222278.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/15179572091.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=fps+test+apkPDF 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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