Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://spartaksedlec.cz/spartaksedlec/userfiles/file/75147551390.pdf In PDF document text

  • http://veterinariacomportamentale.it/userfiles/files/74825072936.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16133a61b2130d---dumikagidipuv.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/10492060129.pdfIn PDF document text
  • http://sanalights.com/admin/admin/uploadfiles/file/gesaxa.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/29326773767.pdfIn PDF document text
  • https://onecre.com/images/content/files/85827818339.pdfIn PDF document text
  • https://tjp2-hotlink-j3t.com/contents/files/15597041052.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d26958a5c9---nisumegobuw.pdfIn PDF document text
  • http://myrbacken.se/login/ckfinder/userfiles/files/botopugig.pdfIn PDF document text
  • http://almawred-sy.com/files/adminfiles/files/wedasoxad.pdfIn PDF document text
  • http://wo-kop.pl/userfiles/file/82143037224.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/cdc15e8720930085b83d7e0df57b3194/88784637410.pdfIn PDF document text
  • http://dangkykinhdoanhkiengiang.com/upload/ck/files/51262570778.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/gutupatudozojezutixuxo.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/58994766744.pdfIn PDF document text
  • http://ressourcengarten.de/azubi/userfiles/files/92652326877.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/45381334832.pdfIn PDF document text
  • http://pololanna.com/user_img/files/92822870278.pdfIn PDF document text
  • https://mavachhaiphong.com/upload/files/41308135609.pdfIn PDF document text
  • https://bya-ingenieria.com/ckfinder/userfiles/files/lonesipa.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c60141da3e---tatowetalowalaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=cheat+total+war+three+kingdomsPDF 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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