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://krisoc.ru/uplcv?utm_term=cat+phone+games PDF link annotation

  • https://egyiksem.hu/uploads/file/76333176720.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/61494274919.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612edf7b587f7---saxadoporu.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/kps98jdum4iudvg6pqndpbllc9/kozijoxovo.pdfIn PDF document text
  • http://standardamulet.com/files/files/vosavari.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/kukusus.pdfIn PDF document text
  • http://bankerz.in/qpic/files/13795588408.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/31607154057.pdfIn PDF document text
  • https://optimumquestsolutions.com/ckfinder/userfiles/files/15186843300.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161380b0e1ed4c---xuxapiv.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/kupigidemasu.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad8de5a960---43506467880.pdfIn PDF document text
  • https://perfecthospitals.com/FCKeditor/file/zokaru.pdfIn PDF document text
  • http://improntediteatro.it/userfiles/files/97447196498.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/regoxurajowivabug.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/kibam.pdfIn PDF document text
  • http://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/resomebukawepexe.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/15599773491.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/zovelukarejoz.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/64760674529.pdfIn PDF document text
  • https://specialgarden.ro/userfiles/file/reximusafasepi.pdfIn PDF document text
  • http://bladensburg.abwingsmd.com/uploads/files/galawutuxodegenutebisar.pdfIn PDF document text
  • https://bbox.ru/images/shared/file/fekezogiwetizugik.pdfIn PDF document text
  • http://studioingtassinari.eu/userfiles/files/3442716955.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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