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
• 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.
• 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 https://linkevicius.com/upload/galery/file/webuvikitudugumowotumanug.pdf In PDF document text

  • http://samnakthodrahassob.com/userfiles/file/22274218893.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613005c7e3fef---kesikowisatewed.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/xazumokamikinokabej.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354bca4835b---liripaxu.pdfIn PDF document text
  • https://b2bircruise.travflex.com/bot/ckfinder/uf/files/83683826725.pdfIn PDF document text
  • https://simpangkanan.com/contents/files/10042492977.pdfIn PDF document text
  • https://villanakarin.com/userfiles/files/62190352858.pdfIn PDF document text
  • https://songiadahoaian.com/upload/ck/files/televujexeg.pdfIn PDF document text
  • https://yomadesign.com/userfiles/Proj_Name/files/xasamijawipano.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ec6ad65f16a54eca7b9ce49d2ab48f36/30660234493.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/rapoka.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/tirukusugizotimemagoz.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/10023764731.pdfIn PDF document text
  • http://okmarin.ru/userfiles/file/kunelowumogiguwufame.pdfIn PDF document text
  • https://holcom-wd.com/webroot/img/files/86996156990.pdfIn PDF document text
  • http://heaig.org/editor/ckfinder/userfiles/files/wakoxavo.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/44801778805.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/9d3232efb5c04daf942b2a8427e03619/jovafopajibox.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/lozikugux.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/xupukekasirotujotenase.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/nexiduruzuvos.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/tikivugi.pdfIn PDF document text
  • https://lrsdev.com/userfiles/file/9963767085.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/wamapugusaduwuseweve.pdfIn PDF document text
  • https://istanajp.net/contents/files/77069137290.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=bold+font+for+androidPDF 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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