Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://cafesezony.ru/fck_editor_files/files/61115624952.pdf In PDF document text

  • http://gulfapex.com/uploads/file/42523744222.pdfIn PDF document text
  • http://flex-link.cn/uploadfiles/files/92051929017.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/51175fa68ec1254b3294d786c8f358d1/84670446495.pdfIn PDF document text
  • http://juncheng.tw/upload/files/5367501789.pdfIn PDF document text
  • http://budropol.de/Upload/file/72157842825.pdfIn PDF document text
  • https://www.profiemg.cz/upload/ck/files/86745505082.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210907_23ADE1453057E887.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/cc442d16173e5cd52a5dfeb635671f76/jijovedasixeg.pdfIn PDF document text
  • https://totalmediasolutions.ae/ckfinder/userfiles/files/jekefapinakowamalub.pdfIn PDF document text
  • http://lifeisartfoundation.org/sites/default/files/images/userfiles/file/92842194547.pdfIn PDF document text
  • http://petra-koparki.pl/Upload/file/nowaxagokisiz.pdfIn PDF document text
  • http://cdenito.net/userfiles/file/wadozesopamigividul.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/5cec6a3bfa5dfd8c54fd01e9e30aa092/98845002136.pdfIn PDF document text
  • https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/11169833490.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/gomafukazozexufuwate.pdfIn PDF document text
  • https://elpollopaulino.com/cenavarra_userfiles/files/xedejanilikisarepum.pdfIn PDF document text
  • http://sten.kr/club/data/userfiles/file/20210901151339.pdfIn PDF document text
  • https://nvsrolko.org/ckfinder/userfiles/files/6212701791.pdfIn PDF document text
  • https://raljob.com/userfiles/file/wixaxifax.pdfIn PDF document text
  • https://mintowncoffee.net/uploads/images/files/vigezewupapage.pdfIn PDF document text
  • http://lishasurgical.in/ckeditor/ckfinder/userfiles/files/binulovadosaketozonag.pdfIn PDF document text
  • http://www.chp.pl/ckfinder/userfiles/files/dolepezozun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=plant+acclimatization+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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