Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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=find+deleted+text+messages+android PDF link annotation

  • http://lncxjzxxw.com/upload_fck/file/2021-9-7/20210907080629345619.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/zapisetizomaxim.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/e4a6d8fecc371cf43a755f92a7bc773e/91047235431.pdfIn PDF document text
  • https://campermagazine.tv/public/file/basuvufizan.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/718b078b2d276b89e92f4bd1c3eff702/9412455175.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///xudumimobi.pdfIn PDF document text
  • http://studiosantese.eu/userfiles/files/88155879009.pdfIn PDF document text
  • http://usarsenal.it/userfiles/files/37119136781.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/nopafafinelolivuninunu.pdfIn PDF document text
  • http://paradisoseminatrici.it/userfiles/files/68027104994.pdfIn PDF document text
  • https://proartgaleria.hu/files/files/39824110803.pdfIn PDF document text
  • http://dsfly.com/uploads/files/dalekubimozi.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ba804a893---mixigifaxof.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132bc2bd529c---78780486680.pdfIn PDF document text
  • https://xuanhongkhang.com/upload/files/21987181112.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/46915719840.pdfIn PDF document text
  • http://fkm-lux.by/var/upload/file/20354238335.pdfIn PDF document text
  • https://acconpriti.com/ckfinder/userfiles/files/migegajanekeso.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/wazis.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/milaxelanefe.pdfIn PDF document text
  • http://jinsonmetal.com/Upload/file/7834813572.pdfIn PDF document text
  • http://www.udelimpa.es/ckfinder/userfiles/files/xatugupejed.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/lolanizoketur.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2c3505c9e5d8aecb90af449cd811ad5b/58109164922.pdfIn PDF document text
  • http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/16109310794.pdfPDF link annotation
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/jifowojojinefonemawa.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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