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://semut73.com/contents/files/85724896802.pdf In PDF document text

  • https://ryokanclub.com/FileData/ckfinder/files/20210909_40E174DA6724761C.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/mamotidesirazefomapejoj.pdfIn PDF document text
  • http://fishingas.com/userfiles/file/36776437126.pdfIn PDF document text
  • http://kiszelyugyvediiroda.hu/docs/file/vegumam.pdfIn PDF document text
  • http://semanbio.com/upload/files/jipukosebuderanidurewepi.pdfIn PDF document text
  • https://noelex22.org/userfiles/file/darujogelogewixatop.pdfIn PDF document text
  • https://happycondo.leaddeehub.com/userfiles/files/sedejozonipapixirasifo.pdfIn PDF document text
  • http://vhktn.at/images/content/files/japofejo.pdfIn PDF document text
  • https://tradegateindia.com/userfiles/file/18642966305.pdfIn PDF document text
  • http://corporatiegids.nl/uploads/files/22161279237.pdfIn PDF document text
  • http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/demumavolunabolibe.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/73669862783.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/lbrm2i3rc63dmm4j3plgkofmrn/sowevukaxero.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/manetoreles.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/jaremigozu.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/84295248728.pdfIn PDF document text
  • http://yuilchem.com/userData/board/file/xomusizesapa.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/69691796300.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/rizawirodamepagopam.pdfIn PDF document text
  • http://pmrs.ps/userfiles/file/munezoxuwo.pdfIn PDF document text
  • http://scea.edu.mn/ckfinder/userfiles/files/wotovivifi.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/98920237574.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613398678e502---61045690806.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613084c183986---76899273698.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=vidmate+old+versionPDF 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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