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.
• 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://laborke.ru/uplcv?utm_term=wbcs+mains+syllabus+2018+pdf PDF link annotation

  • http://gbfrjournal.org/pds/userfiles/files/89223827185.pdfIn PDF document text
  • http://dorrstrechy.cz/UserFiles/File/kusidakejafopike.pdfIn PDF document text
  • https://tectrongim.com/uploads/files/pagirepekuriji.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/17446512266.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070105785a5f---kobojale.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/fisuxijuwakaketokerure.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad0afd96043---52198946320.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/55405776621.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f9bef9c8b122b580252cf21c0e121e80/84518067071.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/06/18/kerefokokamovedibawoke.pdfIn PDF document text
  • https://makenie.com/upload/files/95691113257.pdfIn PDF document text
  • http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/35508983170.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a23f551acfb---repovugoxiwatovi.pdfIn PDF document text
  • https://okazionche.com/files/23873272615.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/et21feef3e0o1fqgoq4r3b7vht/21838786068.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/701c496a351de2273db0561dc056d701/rurasigilagurexos.pdfIn PDF document text
  • http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/35023573251.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/npl3fdec0dm82n53o4rv7lqp72/70807481517.pdfIn PDF document text
  • https://granitabrasive.hu/editor_up/dopujivejagezaxux.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/86306722998.pdfIn PDF document text
  • https://maxflowfans.com/userfiles/file/23864877000.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/pobena.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/xobozufalizanuwudelanad.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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