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 https://laborke.ru/uplcv?utm_term=dream+league+2018+offline PDF link annotation

  • https://smobiil.eu/userfiles/files/zedet.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/a63401bb9ff29697878a8e524a7bfd6c/mudekoxabosunivovufemimal.pdfIn PDF document text
  • https://faktxeber.com/resimler/files/54151895086.pdfIn PDF document text
  • http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/kinezurad.pdfIn PDF document text
  • http://cross-winds.in/upload/contents/images/images/13668070825.pdfIn PDF document text
  • http://355353.ru/userfiles/file/28065145197.pdfIn PDF document text
  • https://anhhuynoithat.com/asset/files/55777190307.pdfIn PDF document text
  • http://teifsepahan.com/files/file/98792210766.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408dd74ed78---96066863527.pdfIn PDF document text
  • http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/kabatozi.pdfIn PDF document text
  • http://tano-cable.com/d/files/tepevakimogu.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138dd1c0aea6---lavol.pdfIn PDF document text
  • https://tunhuaduytan.com/upload/userfiles/files/jaxugoguniriwi.pdfIn PDF document text
  • https://rumputhijau.com/contents/files/juxidenolofekido.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/b008b59199b57e86fe8b85a3f9e468d0/21347990074.pdfIn PDF document text
  • https://ontech.vn/images/ckeditor/files/4084088178.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/koril.pdfIn PDF document text
  • https://rallstarawards.us/nbloom/fckuploads/file/fuzururunowe.pdfIn PDF document text
  • http://wawa757.com/uploads/files/79772982781.pdfIn PDF document text
  • http://koreabulk.net/userData/board/file/jizamarudelu.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613e28437712d---58642432109.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/77533705186.pdfIn PDF document text
  • http://nwhouse.ru/uploads/file/60167808515.pdfIn PDF document text
  • http://dailitara.lt/bites/uploads/file/48963307641.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/79357420625.pdfIn PDF document text
  • 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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