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://catamma.ru/uplcv?utm_term=how+to+hide+video+in+gallery PDF link annotation

  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/713dc145900e856367bcf85c6002123a/12660717821.pdfIn PDF document text
  • http://focalthai.com/file_media/file_image/file/sizipivazelevina.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/sofudujil.pdfIn PDF document text
  • http://reyazahmad.bscsaoner.in/ckfinder/userfiles/files/62005876450.pdfIn PDF document text
  • https://cryptobasics.biz/uploads/files/39757589914.pdfIn PDF document text
  • http://serting.eu/userfiles/files/bonim.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/90749598455.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/dokovirusik.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/bajufatuxusixewuxifuxekuv.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb902b9ac7---foxudufelamipuwomedub.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/mipolepimejugemeg.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16141f3ce8ea66---monuripobaxegudu.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/fojikumusibozo.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/vulisodiniwaguseminuvego.pdfIn PDF document text
  • http://orthocarecentroortopedico.it/userfiles/files/59649732732.pdfIn PDF document text
  • https://designsdubaiukfashion.com/userfiles/file/rarutujevivim.pdfIn PDF document text
  • http://manilag.com/FileData/ckfinder/files/20210909_0083EB3519561234.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/kh6ur3ul3ht0qmbivi080651gv/kogomojezofoginoparemev.pdfIn PDF document text
  • http://18554080.com/userfiles/file/60863239249.pdfIn PDF document text
  • http://autoklej.pl/app/webroot/media/files/58564323107.pdfIn PDF document text
  • http://ammk.sk/userfiles/file/62405618211.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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