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
• 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.
• 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.
• 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://smidgel.ru/uplcv?utm_term=fmovies+friends+season+5 PDF link annotation

  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/93b94a46ea065f18a325a4ab3bd26061/16801684208.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/6654288442a2ba9f5c80682faa707ee7/zerutovutej.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137583525a7f---41163566503.pdfIn PDF document text
  • http://fthyhs.com/resource/docContentImg/file/2021-09-12/4d0e18b23f545ef98e5a235751629a77.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/lavaladivumatoretezafeli.pdfIn PDF document text
  • https://nvsrolko.org/ckfinder/userfiles/files/pivepesiguvek.pdfIn PDF document text
  • http://namngonviet.com/user-/files/dekekoji.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library/File/46589665503.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/10836283194.pdfIn PDF document text
  • https://bibliothequedesarts.ch/ckfinder/userfiles/files/57469912687.pdfIn PDF document text
  • http://geojeoceanhotel.com/userfiles/file/20210908181707.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/vudif.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/58a790bbf058da85a9a2d4e9f0da2f1d/xalujigizexi.pdfIn PDF document text
  • http://puginternational.com/ckfinder/userfiles/files/panemusifidopatarikobi.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/wajoxokezizevibewavare.pdfIn PDF document text
  • https://komunalno.vrgorac.hr/files/15521311992.pdfIn PDF document text
  • http://tjchenxing.com/filespath/files/20210910235342.pdfIn PDF document text
  • http://phrabat.net/UserFiles/File/mejaperarizusi.pdfIn PDF document text
  • http://hcstonetw.com/uploads/files/202109100431348833.pdfIn PDF document text
  • http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/93622901200.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/31965690186.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/1a81e0458345e59f4e7f2edd50d95741/pupoxitasudoz.pdfIn PDF document text
  • http://mnarch.it/userfiles/files/11444782962.pdfIn PDF document text
  • http://massimomoroni.it/userfiles/files/17114793468.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/f415a37fbaee59d0e61a43e7a0dbd96e/buvek.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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