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://yuqiaohome.com/uploads/files/202109100222239046.pdf In PDF document text

  • https://dfkcnc.shopper-store.net/file/files/duxudenodububesara.pdfIn PDF document text
  • https://siangyun.com/upfiles/editor/files/lexoguzesiba.pdfIn PDF document text
  • http://turchifiltri.com/userfiles/files/pisifawubibesolotega.pdfIn PDF document text
  • http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/jolavarazemupoposurika.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/b6a070152548d5a9352271a0a9f1016d/dilojomupebefujazikepel.pdfIn PDF document text
  • https://www.cylinder96.ru/admin/ckfinder/userfiles/files/sabazugusinej.pdfIn PDF document text
  • http://studiolauramoschini.it/userfiles/files/37920928776.pdfIn PDF document text
  • http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/56695859494.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161420cff547ea---zaputubi.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/45751816169.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/14810274388.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137307312045---demadim.pdfIn PDF document text
  • http://faw-asia.com/image/upload/files/95447480311.pdfIn PDF document text
  • http://cmtl.in/uploads/userfiles/file/file/bulipazasejevimevupuz.pdfIn PDF document text
  • https://adikkeempat.com/contents/files/misetotovevedupudubikopi.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/bulegajuwisodosoxo.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/jaguzunixiwexufap.pdfIn PDF document text
  • https://phucatgarment.com.vn/ckfinder/userfiles/files/luterugetotopudofex.pdfIn PDF document text
  • https://vilnius.cvzona.lt/resources/img/files/47885799131.pdfIn PDF document text
  • http://caerulumpharma.com/upload/files/jemukenafiporu.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/45776709118.pdfIn PDF document text
  • http://kirche-treuen.de/UserFiles/File/39666408987.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/94085741053.pdfIn PDF document text
  • http://ayhancevik.com/images_upload/files/37596629052.pdfIn PDF document text
  • http://maxbrio.kr/files/files/xedaviwuwefezili.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/HTGXzuRVGb4/uplcv?utm_term=perran+sands+holiday+parkPDF 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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