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.
• 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 https://smidgel.ru/uplcv?utm_term=corner+bakery+printable+menu+pdf PDF link annotation

  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089ce4ce26ba---53873085807.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/95547435784.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/8mqqvrfs4nfjlk13utnealdenc/lapoxab.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/9095f09a71db8244d4b4025d6659c75e/ziverivi.pdfIn PDF document text
  • http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/daludelokimun.pdfIn PDF document text
  • https://bfull.ru/uploads/files/65013084757.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e0a2baffc---febivufunipojuzemiwi.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/bimawofa.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e8305ff1208---46537081873.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/kki3eaj799jm6nk43mmn805ihm/76218373087.pdfIn PDF document text
  • http://48bulls.com/js/upload/files/28437400925.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/1e70cbe27bbcb9bc44a6458bd43af517/bagewol.pdfIn PDF document text
  • http://clinicaveterinariasangiacomo.it/userfiles/files/76430702518.pdfIn PDF document text
  • http://mesahighclassof64.com/clients/874441/File/42208424126.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/52185467114.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/bc99905ee06cafe92d6cdea7105e219f/tenawenusoro.pdfIn PDF document text
  • http://www.mostenpo.jp/userfiles/files/98774913062.pdfIn PDF document text
  • http://bloemenwinkelindex.nl/images/uploads/40458010020.pdfIn PDF document text
  • http://www.lugashotel.com/data/editorfile/95042433582.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/c88049372c666aa03ae9a1457d576660/62706595337.pdfIn PDF document text
  • http://xn--b1agpbmdtf.xn--p1ai/upload/file/94753345542.pdfIn PDF document text
  • http://michardardillier.com/ckfinder/userfiles/files/pudazuxeneruz.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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