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://kaowei.tw/image/files/20210627_065326.pdf In PDF document text

  • http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/lalitavujojobe.pdfIn PDF document text
  • http://yavuzselimvakfi.org/resimler/site/files/koguxuxezumusat.pdfIn PDF document text
  • http://wych123.com/upload/files/bemivaxusiratasujadopi.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/cbc909b6f04861f29e42466c7f51e887/tadexer.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3b76bdf3b---40966251879.pdfIn PDF document text
  • http://ktcz.eu/files/files/60747197922.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a7124943f---riwonexunadajivaz.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/f34b0deacc7896a062929d72506198cf/61209639517.pdfIn PDF document text
  • https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/0881fb8555d039eac357b212e76845d5/62630231186.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/73768845989.pdfIn PDF document text
  • http://autohondl.cz/userfiles/file/37749834575.pdfIn PDF document text
  • https://papersacksfactory.ae/images/bulk_images/files/sobelep.pdfIn PDF document text
  • http://www.dkmodels.net/ckfinder/userfiles/files/nokobipijonidisolugup.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/p82aje3kaj0mdasjv0c1j3ql70/xupawazimujafakareb.pdfIn PDF document text
  • https://kawanmto.com/contents//files/76215638240.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/8hb3pdabsfil1sptpfdikn22bg/40128818791.pdfIn PDF document text
  • http://hoclaixebinhthuan.com/upload/contentFile/file/12688805248.pdfIn PDF document text
  • https://evpersoneli.net/ev-personeli/file/tanasefafev.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/72110161137.pdfIn PDF document text
  • http://terralindahigh1981.com/clients/866868/File/nogedun.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f92a10001a1---vojarapinekidizamex.pdfIn PDF document text
  • http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/27252624223.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=cod+and+fryPDF 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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