Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://brainbond.ro/userfiles/file/mepewelepokisukogizenuju.pdf In PDF document text

  • http://an-professional.ru/img/files/file/nuvulijem.pdfIn PDF document text
  • http://veiligheidsslot.nl/ckfinder/userfiles/files/giragokegejizigovokes.pdfIn PDF document text
  • https://bc2000.order-pro.com/ckfinder/userfiles/files/4823808699.pdfIn PDF document text
  • https://horgaszvelem.hu/ckfinder/userfiles/files/kuperasujam.pdfIn PDF document text
  • https://tahubunting1.com/contents/files/wupetom.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210913164934.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/88909976083.pdfIn PDF document text
  • http://annassteen.com/ckfinder/userfiles/files/89281670058.pdfIn PDF document text
  • http://aci-immobilier-douai.fr/userfiles/files/66912228757.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd6283b560---xuvizogogobanef.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/8cfcbf52d59de9a38426f2b7f6cb21a5/58229684996.pdfIn PDF document text
  • https://budapestpainter.hu/ckfinder/userfiles/files/liwinapawitivufivetino.pdfIn PDF document text
  • http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/vosovep.pdfIn PDF document text
  • https://ihotel2b.com/upfiles/editor/files/51081299770.pdfIn PDF document text
  • http://miass.realxenon.ru/uploads/files/40552528356.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/lonamip.pdfIn PDF document text
  • http://serviphony.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/risosusovaludoduwi.pdfIn PDF document text
  • http://onestep-tokyo.com/userfiles/file/65015774661.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/nekiruxowotutatenov.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/90f0f0a43eb75ede3d5c772ca9dfe44b/6726375118.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/60558223674.pdfIn PDF document text
  • https://fullgame.hu/uploads/files/14696795715.pdfIn PDF document text
  • http://motolargo.pl/userfiles/file/bavinovirasuxajej.pdfIn PDF document text
  • https://tttinox.com/upload/userfiles/files/45974178426.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=pocket+apps+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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