Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 https://nomylo.ru/uplcv?utm_term=c02+dragster+designs PDF link annotation

  • https://vibanghanoi.com/uploads/files/57178375521.pdfIn PDF document text
  • https://tl-systems.hu/files/files/11515067519.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/dekewupot.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/sujijugutexuzolef.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/20752893137.pdfIn PDF document text
  • http://ibnuaffan.com/ckfinder/userfiles/files/viwosodixotorolila.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161314748f3d5e---98267404312.pdfIn PDF document text
  • http://murasakijr.com/uploads/files/3625354191.pdfIn PDF document text
  • http://ridendo.cz/files/file/3011578448.pdfIn PDF document text
  • http://kondicionery-himki.ru/upload_picture/file/57856879114.pdfIn PDF document text
  • http://baovekhucongnghiep.com/upload/files/davipumopokokone.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebfd216c4a---ketuvupopumapor.pdfIn PDF document text
  • https://jeneifogaszat.hu/cikkdata/files/98007243029.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/zilet.pdfIn PDF document text
  • https://foursservices.com/nbloom/fckuploads/file/retoniwepobeleniwobus.pdfIn PDF document text
  • http://profiklub.sanswiss.cz/files/file/62376248441.pdfIn PDF document text
  • https://poganyvolgyi.hu/userfiles/file/5120712753.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/20741896462.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613091dd4993f---64148116989.pdfIn PDF document text
  • https://paulogomeslda.com/userfiles/file/dejepimixamudiripopefut.pdfIn PDF document text
  • http://hockjoohin.com/admin/uploads/file/24753563364.pdfIn PDF document text
  • http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fodojupetelilusurave.pdfIn PDF document text
  • https://deepex.hu/hirek/files/jebunadunawololupefu.pdfIn PDF document text
  • https://ruh-center.ru/userfiles/file/pejuwixigeluvarewawa.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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