Malicious PDF — malware analysis report

Heuristics 6

• 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://fzcce.com/aimgs/uload/files/sadabotoken.pdf In PDF document text

  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/87867324856.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/vadakarojajo.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9b8fc9541---mujonubedelemifadujox.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-4-30/20210430062432553542.pdfIn PDF document text
  • https://tonwen.org/userfiles/file/17422561744.pdfIn PDF document text
  • http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dofix.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/179b620c05d1f52aba10d4184673de36/23675804399.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160d31aff403ed---93805502889.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/e22d4dd5377f91ecf9b044b5a2769f4b/gugok.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/fenaj.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090152771c34---gozivafamekejitemujimo.pdfIn PDF document text
  • http://dermaktif.com/imgup/file/tobomonodanamipexi.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/repexexofepizuw.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160905f02875ee---bemexafexikilalatonabino.pdfIn PDF document text
  • http://pamat.ro/UserFiles/file/gifedelugedato.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/6a9a684f9770b68d1b6362c4d026e7b1/65390686658.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/laduzunawamazomazoze.pdfIn PDF document text
  • http://premium-t.info/files/files/wubexododusulosuzogovonab.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071611a937f8---nixelizunukisinerenidito.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086106c483b7---doxupeveniker.pdfIn PDF document text
  • http://zatuchlina.cz/upload/file/sowevowelewudazubonalolel.pdfIn PDF document text
  • https://dtd.com.pk/ckfinder/userfiles/files/35080085968.pdfIn PDF document text
  • https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/0b88aa34aa083ad0c0c6868939dfa75c/74306407118.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/966363f98e753f2c7f0123c7d3f25f2e/40058820328.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1610119f2395f2---xiguraxopapugojujolaze.pdfIn PDF document text
  • http://gpe-el.pro/ckfinder/userfiles/files/dujalapap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=all+tenses+exercises+upper+intermediate+pdfPDF 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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