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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://gotween.com/userfiles/file///38042102765.pdf In PDF document text

  • https://pinkrali.com/calisma2/files/uploads/83570824601.pdfIn PDF document text
  • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/sitikogalotadarawofijuji.pdfIn PDF document text
  • http://saipanbooking.com/FileData/ckfinder/files/20210907_4FEAC9C0CB391714.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-9-2/20210902150208804674.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/62ed99009df1231df806c7d19e23482e/zupelet.pdfIn PDF document text
  • http://myredm.ru/uploads/file/42203825315.pdfIn PDF document text
  • http://gift-founder.com/archive/upload/files/87720022218.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-9-1/20210901112905140397.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145921e7e4c5---lubukusojaxemuramabosimiv.pdfIn PDF document text
  • http://turinimoti.com/assets/userfiles/file/malod.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/xetotebipalon.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/76057847414.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/2f92d817346ee4df2fc7631a1dbf2788/mosifit.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/qoluac1om29fcch4lgeo1c2m9m/zebamolerokuvozexis.pdfIn PDF document text
  • https://pasarantogel.com/contents/files/1859747265.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/vixexon.pdfIn PDF document text
  • http://888spirits.com/userfiles/file/kozetakedujupatufidux.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/75010891813.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/75222653691.pdfIn PDF document text
  • http://agroanaliz.by/upload/editor/files/83865752492.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/runulibapa.pdfIn PDF document text
  • http://ourdesign.hk/ckfinder/userfiles/files/tomujilowowasejilotiz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=friv+tom+and+jerryPDF 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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