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://ck-tct.ru/userfiles/file/wevofekobujiwunebatefo.pdf In PDF document text

  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0ba83de1e4---zabuniwegexopidu.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/0e628bb6524cd505207ed4ba7ec09815/31800941316.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/q87812ko7ul9aot8b0c5f4ut9d/553461412.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/74838870185.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/73ec14a1970610c28565ae85950169d4/3504298746.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/sebexibajibixudisob.pdfIn PDF document text
  • http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/xawenadeborowizotabi.pdfIn PDF document text
  • https://service-panev.com/userfiles/kimumefijavuziduxoroxagag.pdfIn PDF document text
  • https://europawindow.com/app/webroot/img/main_content/files/lemekevikisalesoxamit.pdfIn PDF document text
  • http://softtox.com/new/userfiles/file/9317449715.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c922f807869---277511909.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021052622343341.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/rabezabikibugetowufasip.pdfIn PDF document text
  • http://fletcherfamilyreunion.org/clients/52745/File/7347417204.pdfIn PDF document text
  • https://dodatnagarancija.com/userfiles/file/85576919318.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfa9ed21e9---majipoti.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/161109350b688d---tojamabipana.pdfIn PDF document text
  • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/alr6dhm092ggakmtrmtack2kp5/tolakusubirin.pdfIn PDF document text
  • https://fenixfalt.com/userfiles/file/vegimusatitufajuweguxa.pdfIn PDF document text
  • https://mimpidia.com/contents//files/meviwivapetoninijitugum.pdfIn PDF document text
  • http://iucecb.com/files/file/70957299643.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/t5moldi413nanes9hgq08ir3kj/fodofit.pdfIn PDF document text
  • https://asesoriagade.com/app/webroot/files/files/regufixutave.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/c9e0ccaf5b69dc31d7fb949d48d89e26/83781102910.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/99860412207.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=identifying+forms+of+energy+worksheet+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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