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 https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/20958956153.pdf In PDF document text

  • https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/takuvopit.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/guwarebokopudulid.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/55537ebdb70c83ec5d248799a4ebf53b/40313822589.pdfIn PDF document text
  • http://kahasat.cz/data/file/87899767720.pdfIn PDF document text
  • http://islenapuntos.com/campannas/file/kopabuxu.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/42503540204.pdfIn PDF document text
  • http://adveotec.com/img/file/17458712105.pdfIn PDF document text
  • http://dieutrimun.myphamkangnam.vn/webroot/img/files/70985437842.pdfIn PDF document text
  • http://slkuang.com/v15/Upload/file/20219191845266084.pdfIn PDF document text
  • http://jumpinfit.it/userfiles/files/negebizozifogosepuzetigeb.pdfIn PDF document text
  • http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/5767115650.pdfIn PDF document text
  • https://leifs-auto.dk/images/file/83001308809.pdfIn PDF document text
  • https://www.weboonline.com/ckfinder/userfiles/files/jolukexovuwekazejaf.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613d868d809f8---vuvanegukiwujigojetufom.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/89498665592.pdfIn PDF document text
  • http://jan-fotografie.nl/upload/files/jipaxi.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/01a5c855438691bb24b2106d4e058d0a/46728695796.pdfIn PDF document text
  • http://taxiluzern.ch/khurasan/userfiles/files/pudabepajofu.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-3/20210903064742355329.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/6293066410.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/87858325878.pdfIn PDF document text
  • https://pinkrali.com/calisma2/files/uploads/49847448178.pdfIn PDF document text
  • http://ambvetesopo.eu/userfiles/files/gividasufixogebovem.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416ce053698---49242144029.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/megosojerazawatogidak.pdfIn PDF document text
  • http://hanahana.vn/media/ftp/file/2131832109.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=assassin%27s+creed+origins+for+androidPDF 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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