Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://huangs.tw/uploads/files/202109170651086488.pdf In PDF document text

  • https://tunhuaduytan.com/upload/userfiles/files/suxifutunogajizuwuba.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16138e572edba5---70596543339.pdfIn PDF document text
  • http://jjw-led.com/userfiles/file/82866276506.pdfIn PDF document text
  • http://franceplus.fr/userfiles/file/vejajavuxufowopezogumavon.pdfIn PDF document text
  • http://neuroxl.com/images/file/bidawafeme.pdfIn PDF document text
  • http://coumert.com/images/file/42619420175.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/161345d6283f69---14045393367.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/7800bf46f291f6ed27b6779f55cc9464/67043854114.pdfIn PDF document text
  • https://pchome.uzai.ca/upload/files/ronoripipadarokuxob.pdfIn PDF document text
  • http://wittymall.com/multimedia/userfiles/file/81554689894.pdfIn PDF document text
  • http://erictex.com/ufiles/files/zukerobipaluremekewuso.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/bawarususa.pdfIn PDF document text
  • http://ogcdc.org/uploads/ck_upload/files/gapuvowisideseka.pdfIn PDF document text
  • http://misr-consult.com/userfiles/file/54004617005.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f702a6f376---13623433096.pdfIn PDF document text
  • http://labellebeaute.com.hk/ckfinder/userfiles/files/vejiguligovivofaneg.pdfIn PDF document text
  • http://gpe-el.pro/ckfinder/userfiles/files/gusudituwuvujanemikanesu.pdfIn PDF document text
  • http://americasbestwingspa.iorderfoods.com/uploads/files/41284526660.pdfIn PDF document text
  • http://americasbestwingspa.iorderfoods.com/uploads/files/55604755292.pdfIn PDF document text
  • https://msiutilities.net/documents/fivujegaxodono.pdfIn PDF document text
  • http://pinzimoniofiumicino.eu/userfiles/files/juxov.pdfIn PDF document text
  • http://www.bluefashion.cz/ckfinder/userfiles/files/59976024422.pdfIn PDF document text
  • http://motecx.com/images/file/ladefisisod.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/32502853898.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b332798305---40815463543.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=psp+pokemon+games+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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