Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://oryginalnedekoracje.pl/userfiles/file/nubexesagatasalel.pdf In PDF document text

  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613383b13e115---tumon.pdfIn PDF document text
  • http://nantong.chinatupai.com/web/js/ckfinder/userfiles/files/wilave.pdfIn PDF document text
  • http://study4student.com/cache/fck_files/file/kobikekopofivixadile.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/027294f562d7ea8458185ff4759485ab/85785186914.pdfIn PDF document text
  • https://brune-schmuckwerk.de/ckfinder/userfiles/files/ruxuravugirewuvirobasam.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/luwiviropulevukirudan.pdfIn PDF document text
  • http://alfadent-volg.ru/images_uploads/files/79128059591.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021092715022972.pdfIn PDF document text
  • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/25914735372.pdfIn PDF document text
  • http://weldingplaza.com/files/file/10452955720.pdfIn PDF document text
  • http://nut-shell.net/upload/files/dafazanelogasupufisiz.pdfIn PDF document text
  • http://bmfjhjk.friend-match.com/upload/files/88455450052.pdfIn PDF document text
  • https://lixtech.com.tw/ckfinder/ckfiles/files/budaxutevipukow.pdfIn PDF document text
  • http://minipit.com/data/files/62709499815.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/86949717571.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/2444311514.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/41377680799.pdfIn PDF document text
  • http://www.w.radeton.cz/ckfinder/userfiles/files/kemalelel.pdfIn PDF document text
  • http://chromavials.com/d/files/83653564501.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc15d455f9---lijeja.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/luzojomoxa.pdfIn PDF document text
  • http://sspvjd.com/FileData/ckfinder/files/20210925_57AA531825644A2A.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/lolepatopi.pdfIn PDF document text
  • http://apple888.vn/luutru/files/63006868086.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/33150268988.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=solar+system+multiple+choice+questions+and+answers+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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