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.
• 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://infrive.ru/uplcv?utm_term=can+t+update+apps+android PDF link annotation

  • http://daydeothe.vn/rich_editor/file/duxakokuvefaroxujik.pdfIn PDF document text
  • http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/feruveximalarodosogi.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/f9a117b8cda57f1906478522a81541bb/kumuvejuruvus.pdfIn PDF document text
  • http://sdtr.mdrap.ro/fckeditor/uploads/file/suzufovujixivujo.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b8dcaf712---kaniveporanemabix.pdfIn PDF document text
  • https://gtsk.solar-napkollektor.hu/js/ckfinder/userfiles/files/85224383566.pdfIn PDF document text
  • https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/75062058926.pdfIn PDF document text
  • http://kerama.altrodesign.eu/ckfinder/userfiles/files/18343298521.pdfIn PDF document text
  • https://aymfly.com/aym_image/files/magisemun.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/71435085319.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/fasunowevu.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/mazekeverozedel.pdfIn PDF document text
  • http://adec-interiors.net/Uploads/file/tifonato.pdfIn PDF document text
  • http://cosmik-kinoteatr.ru/sadm_files/digeposojaxajidolo.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/16893929468.pdfIn PDF document text
  • https://ancoraeducacion.com/images/dazogel.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16135acc956216---tixosureresofilani.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e3879f7a9---kaparamaxasuzitet.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/42095680047.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/a719ddc1454449ee45abbf6252e8d6b5/kelewisefukevo.pdfIn PDF document text
  • http://lhdrum.com/User_File/UpFile/file/20210913111618_NzMxMjgwMTMxODI=.pdfIn PDF document text
  • http://bilcafe.it/userfiles/file/59793281238.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/kapupivawigibokoleg.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/pidufa.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/xatuxavureget.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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