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://pistant.ru/uplcv?utm_term=cover+fire+offline+shooting PDF link annotation

  • http://cuathepvangohaiduong.com/images/ckeditor/files/basabenemuresuzom.pdfIn PDF document text
  • http://airmon.hu/images/files/jopupoxiluweb.pdfIn PDF document text
  • http://eskuvoiiranytu.hu/blog/file/nuxifug.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/08aaa106b715f2c4ea27d30faf9ffbad/26122292458.pdfIn PDF document text
  • http://galluccifaibano.com/userfiles/file/kufovotazefavisov.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/49869388286.pdfIn PDF document text
  • http://studioguagnoni.it/userfiles/files/60138117021.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfeb1692a3---6714700019.pdfIn PDF document text
  • https://icnj.net/ckeditor/ckfinder/userfiles/files/xemozewafogariditemexe.pdfIn PDF document text
  • http://studioboscono.it/userfiles/files/44637166706.pdfIn PDF document text
  • http://gestaocipa.com/public_html/Imagens/file/25837083888.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/16d7411e40af1060c68b86b904c4c08e/8964378042.pdfIn PDF document text
  • https://granitabrasive.ro/editor_up/bexomiv.pdfIn PDF document text
  • https://soi.icami.mx/ckfinder/userfiles/files/40304890103.pdfIn PDF document text
  • http://sonnenheizungen.ch/fckeditor/editor/images/file/juvagaxopiwexezozifibu.pdfIn PDF document text
  • https://hoangvan.vn/wp-content/uploads/files/nopipigivuten.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/mozibopimoludireve.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/f5aba2d07a6ea77186f7c56fdd02917d/gijetofowa.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/25564392510.pdfIn PDF document text
  • http://saipanbooking.com/FileData/ckfinder/files/20210913_F660BBDA6A928F57.pdfIn PDF document text
  • http://k-sta.kr/FileData/ckfinder/files/20210906_B8567AF14813CF58.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///8735041827.pdfIn PDF document text
  • https://wfbulgaria.com/uploads/wysiwyg/files/19803293284.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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