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://synerhu.ru/uplcv?utm_term=simple+past+regular+and+irregular+verbs+worksheets+pdf PDF link annotation

  • http://print-printonline.com/ckfinder/userfiles/files/tuperulavesixegi.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160763ef49b577---guxogapirofezinikujedi.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a8ee973e1---gonaxulawil.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ec537a4bab0---49903094421.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/57190004529.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160977b3e37b81---xilimixujizusijewig.pdfIn PDF document text
  • http://1-sanya.com/blog_images/blog_/file/89360940565.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/vo8v9b2os5t10aadf8kdtnno6q/jabakozafalusilemafom.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bc61234a917---wejotakosodukofe.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/0mhrt7k5hmf3s3kd7r1oke8tgti7127g/60135095374.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/67003684349.pdfIn PDF document text
  • http://pekingtogo.com/uploads/files/xevunetijofadafelowi.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/jugexagiwunegiruvonunu.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/nijukemiwilikusosij.pdfIn PDF document text
  • http://48bulls.com/js/upload/files/96631267478.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4868b22377---duwuxiwozupunusegibiti.pdfIn PDF document text
  • http://yepuco.com/uploads/files/4001400584.pdfIn PDF document text
  • http://shop-cartuning.pl/userfiles/file/rofixal.pdfIn PDF document text
  • http://easyreturn.store/userfiles/file/97117771441.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/fde2d9d08029d8fba922899cba326956/jeruxolix.pdfIn PDF document text
  • http://ciccioinpentola.com/userfiles/files/97615271103.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efda090a81---84004062773.pdfIn PDF document text
  • https://pima-alarms.rs/slicice/file/wavegebor.pdfIn PDF document text
  • https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/86166560262.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 extracted file (font_00_sfnt_off0000b3f5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b3f5.bin)

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