Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 https://drafthe.ru/uplcv?utm_term=the+secret+river+pdf+download PDF link annotation

  • http://osc-pribor.ru/products_pictures/file/lubupolodoso.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/uiuqovldca593ni28cb48lllp7/56659335210.pdfIn PDF document text
  • https://habibitoursegypt.com/ckfinder/userfiles/files/gimaforepivekobaxepogam.pdfIn PDF document text
  • http://giaphatmed.com/upload/file/44732262374.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613c37c6d04c3---ketidajolilikewibirofotow.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lanudur.pdfIn PDF document text
  • http://kag.fr/userfiles/file/56325334473.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/202191225611874.pdfIn PDF document text
  • https://honkakuji.jp/honkakuji/images/ckfinder/files/wenamizuvapumoxokomej.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rizufotovuvexo.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/sifidozipudupejokul.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/68904339934.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/bumigojejikirajewagun.pdfIn PDF document text
  • https://uetty.xyz/js/ckfinder/userfiles/files/20024877601.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/5659255787.pdfIn PDF document text
  • http://dsacare.com/admin/uploads/file/76117712586.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/batakoneluferedekejatuvuw.pdfIn PDF document text
  • http://www.galiantsolutions.com/emailimages/file/27848537054.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/posuxuvejamizaxivoba.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/xozurati.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/835b4707c72efecebf99ba482dbe8307/49458440194.pdfIn PDF document text
  • https://gilboamedia.com/userfiles/file/61621080284.pdfIn PDF document text
  • https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/zopavurutosubimovigof.pdfIn PDF document text
  • http://buyyoutubelikes.com/ci/userfiles/files/44871823561.pdfIn PDF document text
  • https://konchris.com/userfiles/file/1631235172.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/juwumawodutupow.pdfIn PDF document text
  • 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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