Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://irlanc.ru/uplcv?utm_term=sofa+chair+cad+block+elevation PDF link annotation

  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086619c597cd---78451782323.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/megovanutekozer.pdfIn PDF document text
  • http://acgroupenterprise.com/userfiles/file/rinupogujuladexipikowise.pdfIn PDF document text
  • http://studioagm.it/userfiles/files/65688760893.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/8435184428.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/9b808c7f55e2380317748e5898e99423/57241172364.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/26485249420.pdfIn PDF document text
  • http://canhtoanland.com/upload/files/5282773471.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/redewisanudazixetonajej.pdfIn PDF document text
  • http://md-servicios.com/userfiles/file/5603723872.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/5fdc81834f186d930f1b1e71b699eec4/xawejibik.pdfIn PDF document text
  • https://xpress2.eu/ckfinder/userfiles/files/zukovuxagekobaxese.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084708323dc2---15906392769.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7bd78ec11---5166493932.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/2e47dd7ba007e8a8bd30647f7dccd223/23933643613.pdfIn PDF document text
  • http://simonhoirup.dk/userfiles/file/vizuritizisi.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/85589731a8dbacc92c944cac4d09a0a0/96162997282.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/43746921272.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ef1fbe6e9---20550601666.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a54016a4263---retesujalonetenobavoduluj.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/famamujatefanomatinujulax.pdfIn PDF document text
  • http://rc-mst.com/mst/_upload/files/64316823397.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833ce46134b---94883618663.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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