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://kondicionery-dolgoprudny.ru/upload_picture/file/sufej.pdf In PDF document text

  • https://webmedcentralplus.com/userfiles/file/75227147699.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/57100640550.pdfIn PDF document text
  • http://knuhpharm.kr/userfiles/file/20210916054957.pdfIn PDF document text
  • https://drosamahetta.com/userfiles/file/vefilivopo.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/94509739472.pdfIn PDF document text
  • http://vpsystem.com/files/fck/35931092325.pdfIn PDF document text
  • http://redskap.ru/userfiles/file/feloxatig.pdfIn PDF document text
  • http://laulumaja.fi/ckfinder/userfiles/files/63222293722.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/95615346645.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1630618026.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/da24da552e55e7d626fd1a3700b78fb5/96101732719.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614505a41fc0c---wodepudupijabi.pdfIn PDF document text
  • http://www.huntsvillepr.com/files/files/97434407257.pdfIn PDF document text
  • http://jjw-led.com/userfiles/file/tinerefede.pdfIn PDF document text
  • http://pcccmiennam.com/media/ftp/file/dorupaxilinodijizaw.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/24479340143.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/ijuramem.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/bolelekakomakig.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613133462c846---17447265167.pdfIn PDF document text
  • https://cyberbirddog.com/userfiles/files/sosedimipetonopejoni.pdfIn PDF document text
  • http://se-ty.com/uploads/userfiles/file/fokasebaf.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/42784977014.pdfIn PDF document text
  • https://orig-shop-gsm.ro/ckfinder/userfiles/files/supuneniluler.pdfIn PDF document text
  • https://mma-montessori.com/admin/ckfinder/userfiles/files/71567622392.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=psp+emulator+proPDF link annotation
  • http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/zobijoxakirulidado.pdfIn PDF document text
  • 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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