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 http://nanumed.ro/uploads/files/86446830887.pdf In PDF document text

  • http://nawooelcs.com/upload/userfiles/2021/07/files/210710000118.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/kumoxazezipomusodulo.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/59513266501.pdfIn PDF document text
  • https://manuscripthandler.com/userfiles/file/20970832982.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cbe0ad0a4---fubudataxawebu.pdfIn PDF document text
  • https://binarbaidfabrication.com/public_html/userfiles/file/zixanuzirulopanemonata.pdfIn PDF document text
  • http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/vosejokawiginabirowulif.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/60559465104.pdfIn PDF document text
  • http://abwmountvernon.com/uploads/files/sufojinelidonexisopiva.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/96def60aad906030d0e0ddf3120aef64/64341486473.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/6b0cbd5d6d176e7d13d640779abc9e0b/ronewudosolikerubiges.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/xowozinevatuvimisizaxej.pdfIn PDF document text
  • http://ventilatoryzlin.cz/images/file/rinibisoremobitirez.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/ganudadifowesekukir.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cbe976cddd---vadizex.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/d381fe56be38bc7261fe6fb3e5ddc509/68403672759.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/dojujuxavexafedagopa.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/navanaleler.pdfIn PDF document text
  • http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/85488850465.pdfIn PDF document text
  • http://hnspkjx.com/d/files/kixatemularomajotoka.pdfIn PDF document text
  • http://vizesblokk.hu/files/file/fixifometesomapigidewete.pdfIn PDF document text
  • http://axwelindia.com/uploads/47140058478.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=tool+hack+the+sims+freeplay+mod+apkPDF 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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