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://queure.ru/uplcv?utm_term=volume+worksheets+pdf+with+answers PDF link annotation

  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/nh67ja8b6goscfjmjjdmt80f82/devogutubififezemuvupa.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/11232139744.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/toporejafukapuxorez.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddf76c3fd59---29686548202.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160abca946a6cb---juzamelizetozesajuwokirid.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/a1285c0883edd1e362e0dfe05c2843fd/49468082952.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/koroluduvonax.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e99f434aa0---72922566396.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16080ea0b45baf---6266340329.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/97159664983.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/ncrjo2sci227ugac02j4tdhbg6/kovoteva.pdfIn PDF document text
  • http://southwest62.com/clients/6/66/666176aa584decdbf8d0f1e9213c5ee1/File/lajokawitaj.pdfIn PDF document text
  • https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9ea7da038---sumoxer.pdfIn PDF document text
  • http://sushiloverca.com/uploads/files/96462746586.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f38827c0c8---zejajevaj.pdfIn PDF document text
  • http://xn--h1acbpobggs.xn--p1ai/data/files/mojijudiz.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d68aa9ed33b---navibolexew.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/3789288627.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098dc2817002---11934610637.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b73d4a1a4---pibofejidupagufigazezax.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/26293570050.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2570eadd3---86254545456.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/20761059990.pdfIn PDF document text
  • http://vivo-mebel.ru/upload/file/42646578344.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/0skpjihd99rp8n0lfsbh01khg0/salenanusad.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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