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
• 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.
• 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://drafthe.ru/uplcv?utm_term=microsoft+office+mobile+apk+cracked PDF link annotation

  • http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/18447173962.pdfIn PDF document text
  • https://sproname.com/files/userfiles/files/63740990628.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/82b19c0a3dd8a187d304d5b291e34955/54914051192.pdfIn PDF document text
  • http://aostavet.it/userfiles/files/vaxagezamar.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/22774566260.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/1537854a785c3d1cbad97c5cbff8d741/dexirepalijinima.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/gefib.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/bexubofemuxukufotata.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/dakosumunaromaza.pdfIn PDF document text
  • https://stopserv.ru/files/file/92899944509.pdfIn PDF document text
  • http://devitohomesorlando.com/userfiles/files/13122828393.pdfIn PDF document text
  • http://dgkno.cn/upload/xelogemaxol.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f88577be06---lorigavizezakepelepunoro.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/xukuliw.pdfIn PDF document text
  • http://pbpharm.com/upload/files/mibuxobivefapifadu.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161400d7b74b6d---77083029598.pdfIn PDF document text
  • http://lexen.ca/userfiles/files/42174153830.pdfIn PDF document text
  • http://smartickgroup.com/userfiles/xojidezidegovarapa.pdfIn PDF document text
  • https://zaragozadenoche.es/upload/files/66232595409.pdfIn PDF document text
  • http://stavebnevyrobky.sk/www/upload/files/lefikinu.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/coivofvj1i6s9p9snsmss3uqkt/sajenulimamopita.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/42648907722.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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