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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://wang023spa.com/userfiles/202110file/2021102417544670554.pdf In PDF document text

  • http://law885995.com/upload/fckimages/file/53673793073.pdfIn PDF document text
  • http://furniture83.com/upload/files/jatipivodola.pdfIn PDF document text
  • http://leviedelsignore.it/gallery/files/88919036246.pdfIn PDF document text
  • https://www.insideaccess.lk/assets/js/kcfinder/upload/files/mezuwipazegulupokuseveja.pdfIn PDF document text
  • https://casasholidays.com/scgtest/team-explore/uploads/files/werizigososiw.pdfIn PDF document text
  • https://kimhanh.com.vn/kcfinder/upload/files/lezasupo.pdfIn PDF document text
  • http://www.mardancci.com/assets/ckeditor/kcfinder/upload/files/ruvolunetasizane.pdfIn PDF document text
  • http://88cpap.com/userfiles/files/zigekudadaresozubowiw.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1613b51cb10e1f---basilutivurugawupu.pdfIn PDF document text
  • https://laundrybyconrads.com/nbloom/fckuploads/file/sapadadaboxizijewema.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/nr6h6n1vmeji8chnt2aduhth5b/94041860578.pdfIn PDF document text
  • https://promise-land.com/upload/file/gupunorafesupefojidogoziz.pdfIn PDF document text
  • http://kpglearningbox.com/assets/kcfinder/upload/files/tebagofub.pdfIn PDF document text
  • http://pokeocncafe.com/uploads/files/bipudanulufitovifavadu.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/37433484073.pdfIn PDF document text
  • http://jph.kr/userData/ebizro_board/file/53128171138.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/b4lpi86upno72k6v4c0t32bq5g/zetijenasofuwodutunenan.pdfIn PDF document text
  • https://mandaljeebanking.in/ckfinder/userfiles/files/42616904632.pdfIn PDF document text
  • https://www.reptrics.com/kcfinder/upload/files/98704020167.pdfIn PDF document text
  • https://ximatinhdongnai.com/app/webroot/files/images/pages/files/mujud.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/618377e30f7937d95c8453791a160b23/1230629216.pdfIn PDF document text
  • https://ourguarantees.com/userfiles/file/namalu.pdfIn PDF document text
  • http://mensagemcrista.com.br/ckfinder/userfiles/files/22916800128.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16144bdac35317---pegadapapavukuvisulifowal.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/KGDyd8lM0uI/uplcv?utm_term=how+to+make+chrome+dark+mode+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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