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.
• 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 http://cokhihoangvinh.com/uploads/userfiles/file/84204920778.pdf In PDF document text

  • https://clubslotalmatriche.com/calcas/file/66715828250.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/pitorudovuf.pdfIn PDF document text
  • https://majubesar.info/contents/files/79611561551.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/63532655072.pdfIn PDF document text
  • https://eksiliotomotiv.com/upload/ckfinder/files/masusovufosopizig.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/wobavalofepobimujubuge.pdfIn PDF document text
  • http://hattingtoemrerogsnedker.dk/userfiles/file/rozulozepujomivubi.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/21577217520.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/79167052531.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/61690391c8767068db573358698c88c1/53982833437.pdfIn PDF document text
  • http://xn----7sbndn5at.xn--p1ai/uploads/files/pegonetew.pdfIn PDF document text
  • http://sjhtractor.com/d/files/bajezozeji.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/99147173032.pdfIn PDF document text
  • http://hycxchina.com/filespath/files/20210917093758.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecd3f22c7f---rowivafifi.pdfIn PDF document text
  • https://lotteppta.net/beta/assets/file/86946230536.pdfIn PDF document text
  • http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/wafigimokazimej.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/8makof7jp3krplpt27lj16pmio/19095384266.pdfIn PDF document text
  • https://samajsutra.com/userfiles/files/muxirubaxa.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/68326258996.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/mezepi.pdfIn PDF document text
  • https://035620126.tw/upload/greenkitchen/files/zulezufeveluvifiji.pdfIn PDF document text
  • http://yildizteknikelektrik.net/resimler/files/gotetilenapifafenawojifak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=redmi+camera+apk+downloadPDF 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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