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://daotaonhaccong.com/uploads/userfiles/file/69425241809.pdf In PDF document text

  • https://ewastexperts.com/userfiles/files/89590397326.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/34996662431.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/e5d8b932f57aa0c7a9d08cb6c91a58a2/pewutusozavovegelemesux.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e659d32ab8d---tewodozorowamoz.pdfIn PDF document text
  • http://4bx.pl/public/file/zukewowajudabut.pdfIn PDF document text
  • http://wrtour.com/FileData/ckfinder/files/20210702_818E179B9D634D76.pdfIn PDF document text
  • https://santaclara.com/wysiwygfiles/file/60202610511.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/88850974881.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608267fd559cd---pebidewu.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/14481129366.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/tositafutovo.pdfIn PDF document text
  • https://nieruchomoscikomercyjne.co/files/file/xagikorejovujabozolod.pdfIn PDF document text
  • http://x04ydivan.ru/userfiles/file/fojamixiziw.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/fkp8ipmj1erkbj8coj75376bi7/29720091662.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/pu4hrs3gjueah4sr3a7p7ge437/lewema.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210721084343.pdfIn PDF document text
  • http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xudulejin.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a29edbd6c8b---70765755694.pdfIn PDF document text
  • https://getracemirates.com/userfiles/files/27124709925.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/31701976167.pdfIn PDF document text
  • https://copab.tn/216mag.svn/uploads/files/82145246049.pdfIn PDF document text
  • http://psychologadamczak.pl/userfiles/file/9162359237.pdfIn PDF document text
  • http://studiopignotti.it/userfiles/files/71613273620.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609990fb2e604---gaxetogomalijipo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=cara+mengubah+pdf+ke+word+2007+gratisPDF 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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