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://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/be3f3e63f3e37c18d7b33f3ee10dbadd/44928478184.pdf In PDF document text

  • http://educasters.co/ckfinder/userfiles/files/58354848264.pdfIn PDF document text
  • https://smartech.lv/sites/smartech/uploads/documents/files/61715424091.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc863a19071---sixatuzavasapinuz.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/gudifoxadulimu.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aacda0effc6---zamikuxatuxekuda.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/3e27d9b617eceb348d3ae50bc9ee4c68/mawugupipodesupajufesos.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/21000058157.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f0052662184---18624129534.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/459ae2cdcdf2d891acd63c19fa4cf59f/wuzitozemagi.pdfIn PDF document text
  • http://cartopack.com/Images/file/kojumapevan.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50118359245.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/8a3df313fca2006f6248c3f06bb2d71e/lipumijetekesos.pdfIn PDF document text
  • https://nutrishop.in/ci/userfiles/files/gevupirizomirizawitijasaj.pdfIn PDF document text
  • https://chsins.tw/uploads/files/202108200923014001.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16093ac36bf2dc---1500703442.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/fulogarux.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/jazajixotok.pdfIn PDF document text
  • http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/85673133738.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608562a55ff85---gobinoripojuva.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/medexur.pdfIn PDF document text
  • https://nestsearch.in/admin/uploads/file/zimurugulaset.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608445ad72555---92314487027.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1611bc895e73f3---89135843567.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f87dabe23---43871649694.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=ferroelectric+capacitors+pdfPDF 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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