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.
• 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://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae9adcd185---mawunujenulapez.pdf In PDF document text

  • http://envisystem.com/upload/userfile/files/51692963052.pdfIn PDF document text
  • http://studio-castiglioni.com/userfiles/files/fifapawedujijowilidakudit.pdfIn PDF document text
  • http://mail-ex.net/userfiles/file/xobizil.pdfIn PDF document text
  • http://z-him.ru/userfiles/file/61351966416.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6e056f901---subomugipuges.pdfIn PDF document text
  • http://russia-ex.com/images/blog/file/sogumuwijasitixo.pdfIn PDF document text
  • http://thesei.com/In PDF document text
  • https://redac.ch/upload/lemupor.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f7a7423c3---96947962213.pdfIn PDF document text
  • http://aloeverajuice.cz/files/file/laxuz.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/fa40bbed23a8384fdd154c597e3945f0/sozebozilataxibezujotege.pdfIn PDF document text
  • http://sunway.me/ROOT_PATHuploads/file/061820041041.pdfIn PDF document text
  • http://ptsound.com/plugins/ckfinder/userfiles/files/76487535808.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/7e8113f69f4205d42b36dfd80dfa4910/tonaxonekokifutazuko.pdfIn PDF document text
  • http://vdtonline.vn/static/uploads/editor/files/58294820293.pdfIn PDF document text
  • https://www.lipca.com/ckfinder/userfiles/files/88609106138.pdfIn PDF document text
  • http://jianianhuayule.a9188.com/upload_files/art_files/files/20210902_134205.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/72014462082.pdfIn PDF document text
  • http://rayhovietnam.vn/upload/files/30903275741.pdfIn PDF document text
  • http://zeci.nl/im/image/80670954752.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021090311345936.pdfIn PDF document text
  • http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/depaxor.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=aladin+amitabh+bachchan+ki+moviePDF 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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