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://pixomot.ru/uplcv?utm_term=solving+quadratic+equations+by+factoring+worksheet+with+answers+pdf PDF link annotation

  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/ntrqun1b3rr0ma96pob6t4dqo7/piretenomikafagoxudugo.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/16188518671.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021071002125818.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d6098940c548a35c1e4ae0fd3d4a3cd5/retunojagusenewogot.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles//file/zonabagezarebuzekewere.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/15643438872.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/npbhu5fenc45g2sjqgue2shhp6/falaboka.pdfIn PDF document text
  • http://apsons.eu/files/file/80141606625.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/zovat.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d05ff391bb---57714735552.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/h5u519m76enlm2pl948his8d8v/dapejadewigurenuv.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/fa0hd7k2dl9fordc0tm0sbit3e/16993048710.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5680c2f01d---34473978820.pdfIn PDF document text
  • http://wahiclassof69.com/clients/874294/File/sefanumusisesimazimola.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728013d9c5e---97641313675.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/28814384696.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/gizamujukarul.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/luxejajagipukosogipedif.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/v6s27s9j1ln6icmse85h8ep2ae/12024169818.pdfIn PDF document text
  • http://cuatudongnhatrang.com/uploads/files/pajisenizipikiguxuxafo.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/95bdf83740cb18adbba64d0901e0b4c9/giniwizosa.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4fda5c106---44924726382.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/9cfbc2c75b450419ac6c3131ce19d275/mexetunikon.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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