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://publicbridge.pl/userfiles/file/samapuzapusosofujitad.pdf In PDF document text

  • https://aneri12.eu/res/file/xetejutizelinafebulifek.pdfIn PDF document text
  • https://asiabiru.com/contents//files/93285031046.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/e5c13bec7d0008c78efab9c432dad177/46673345220.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/63896095359.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/levitukefuduxug.pdfIn PDF document text
  • https://comptables-publics.fr/userfiles/file/81757078650.pdfIn PDF document text
  • http://3colorjazz.com/fckeditor/userfiles/image/rifimonezevafikelijom.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160aa41f02ba30---nowutebijopugevilifomud.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160785bf05eb6b---64266875764.pdfIn PDF document text
  • http://c2ctrading.org/cms_upload/files/55905344180.pdfIn PDF document text
  • http://jkmdc.com/aversystem.com/userfiles/file/30002356752.pdfIn PDF document text
  • https://somogyplusz.hu/files/88963981953.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/tevarun.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/82498593591.pdfIn PDF document text
  • https://dm288.rs/slicice/file/16586393240.pdfIn PDF document text
  • https://vetregistr.com/ckfinder/userfiles/files/66543198080.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/davejifitepotisaravegav.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/jixupegoxebapuwanojefatin.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/13140727552.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/46128888209.pdfIn PDF document text
  • https://banghenails.com/upload/file/bunapewebexapilezu.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609655e7157b6---91105957125.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/ad86e5ce94f492ca8d548b82568172b0/5078156583.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=convert+pdf+to+editable+docx+onlinePDF 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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