Malicious PDF — malware analysis report

Heuristics 9

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161505202eb228---nazamawegitamenugekepan.pdf

  • http://dichvu12h.net/userfiles/file/mowufeki.pdf
  • http://drivescuolaguida.it/userfiles/files/53446666992.pdf
  • http://carraracucinecomponibilitrapani.it/userfiles/files/towonodaresekolo.pdf
  • https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/55042127511.pdf
  • http://ldksolar-officialliquidation.com/userfiles/files/dufosigodozufuro.pdf
  • https://metrosecuritynepal.com/assets/userfiles/files/vunovavuzaderoxugelefek.pdf
  • http://nwatchonline.org/userfiles/file/muvipegate.pdf
  • https://alajuusa.ee/media/contents/file/50379931057.pdf
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/jadanifixirejis.pdf
  • http://poliinc.com/upload/files/62626937997.pdf
  • https://davnosti.ru/upload/dudewaramurapi.pdf
  • http://bettaletroom.com/file_media/file_image/file/65916721337.pdf
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e8540da2be---89441925635.pdf
  • http://cautrucpalang.vn/webroot/img/files/26161531455.pdf
  • https://yenicekentkaplicasi.com/userfiles/file/21242326796.pdf
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/2927hgpog6a3ofthaph6ljru3u/razutifitudonavedol.pdf
  • http://cleversystems.ru/userfiles/file/mufekav.pdf
  • http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/riporapogelowonefesa.pdf
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1615a790262acd---74463018804.pdf
  • https://xanbiente.de/userfiles/file/90265543603.pdf
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/81798081161.pdf
  • http://stellar-toys.com/ckfinder/userfiles/files/84136599812.pdf
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/baxetibasonatelade.pdf
  • http://zjgjqmr.com/v15/Upload/file/20211041181786.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=i+can+make+my+ears+click
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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