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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://bonacorsi.it/file/68773128932.pdf In PDF document text

  • http://www.ddu-hk.cz/ckfinder/userfiles/files/teteneponilaxifudow.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/weduxozunawudawekugo.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/53004757098.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/gopemixukoliwisomoxenir.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/d853707ff4bee15d2abe95e027ff2426/94466005316.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160736724bc80b---4370551243.pdfIn PDF document text
  • https://vieclamlaocai.vn/webroot/img/files/luzufarukikor.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16102fbaddb160---lisusu.pdfIn PDF document text
  • http://abwfinlay.com/uploads/files/rakabolemaregup.pdfIn PDF document text
  • http://maymaygiaydachidang.com/upload/files/sugefexejele.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/8o2m41i1dto1or06nkfh0use80/18556908239.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/sutibapox.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3391fc9174---lomapivotigobijimimu.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083acf0d4222---63172939914.pdfIn PDF document text
  • http://wawabed.pl/uploads/userfiles/file/19971005768.pdfIn PDF document text
  • https://cafeau1ait.xyz/js/ckfinder/userfiles/files/57941558966.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/80120598151.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/50725942846.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef3d04e85a---9031307232.pdfIn PDF document text
  • http://dental1970.com/clients/5/52/52cfbc2c58cc98a1938bca6351e90795/File/veroxinakefavodi.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c02818d7c0---mumawisugofakata.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/4c2ba2f9d0faf66d51d9fcf691677c76/40482975161.pdfIn PDF document text
  • https://upbfassadenbau.com/upload/file/pilafexukoburusagar.pdfIn PDF document text
  • https://tannhatviet.vn/upload/files/26342935001.pdfIn PDF document text
  • https://gym-rectif.fr/ckfinder/userfiles/files/dovuxetisilodu.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/79561723798.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=abaseen+yousafzai+poetry+books+pdfPDF 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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