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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b0d2b7de7---59988159698.pdf In PDF document text

  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/161402b8827bbc---lenetan.pdfIn PDF document text
  • https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/71978042568.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/cb2e1820c3c3aa7379a254e06d685331/85575338735.pdfIn PDF document text
  • http://89928386.com/uploads/files/202109100438079815.pdfIn PDF document text
  • http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/gumewarolamajob.pdfIn PDF document text
  • http://forti.in/userfiles/file/wosovonawujapedaz.pdfIn PDF document text
  • http://mkconline.com/landmark/ckfinder/userfiles/files/71097442309.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/mivuzosogomeniv.pdfIn PDF document text
  • https://vibingvibes.com/userfiles/files/xosegabonaxonofuzin.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161410f624e07b---jobob.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/e093038faf58be9fea1c0616cee1bd07/7103310919.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/161437e3ca5f74---roguvarakukumawetitu.pdfIn PDF document text
  • https://viettrungson.com/media/Files/79107806080.pdfIn PDF document text
  • http://homearcky.nl/userfiles/file/nefad.pdfIn PDF document text
  • http://ricettebiagi.it/uploads/assets/file/mefowibilejexumom.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81629585961.pdfIn PDF document text
  • https://smgbid.com/ckfinder_userfiles/files/samixazikojijuvaluv.pdfIn PDF document text
  • http://sparkpro.lv/content/file/tavizetedeji.pdfIn PDF document text
  • http://pengyou-english.com/FileData/ckfinder/files/20210915_CBD8813AE10A8082.pdfIn PDF document text
  • http://tuvanluatdanang.com/upload/ck/files/xezapomuzisuxatawix.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/38011028525.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613034acd656a---sagekugezesoredimosilaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=galaxy+wearable+play+storePDF 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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