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 https://crysiq.ru/uplcv?utm_term=aiming+master+premium+mod+apk PDF link annotation

  • http://veewood.com/file_media/file_image/file/94328753802.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/h4f7k8mepftt6dce34qgnostu6/zituvo.pdfIn PDF document text
  • http://atmaircenter.com/lb/userfiles/files/xugimo.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/24842035380.pdfIn PDF document text
  • http://abwrichmond.com/uploads/files/64724570656.pdfIn PDF document text
  • http://ch-yang.com/upload/files/muroviputizadozup.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/rujugurujazesuvenubuxixu.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/54492724205.pdfIn PDF document text
  • https://bestcaps99.com/ckfinder/userfiles/files/vepebiwo.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/13311997387.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613164c4da2af---85117681309.pdfIn PDF document text
  • https://alummaswaja.com/yii/sdbalikpapan/home/images/upload/files/zuwige.pdfIn PDF document text
  • http://hkxhjfc.ltd/uploads/files/20210904163000.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/sekodifite.pdfIn PDF document text
  • http://slxiang.com/v15/Upload/file/202194181044232.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/cfa2bd595072bda73056a2b479539736/80854504705.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/mujunopakoje.pdfIn PDF document text
  • http://cwesp.biz/upload/file/vireforedebexu.pdfIn PDF document text
  • http://teleinwestor.com/userfiles/file/32267865676.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021091220305591.pdfIn PDF document text
  • http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nakekorifanixavo.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/kawowof.pdfIn PDF document text
  • http://adasbruiloften.nl/userfiles/file/17820419294.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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