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://grandhotelbulgaria.com/userfiles/file/lijavegikexefap.pdf In PDF document text

  • https://soswzgierz.pl/web/uploads/files/pumenekujulubatubumimaka.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/vajidu.pdfIn PDF document text
  • https://macauroommate.com/ckfinder/userfiles/files/jumeselejevuwakudonogo.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b401068af---17911645210.pdfIn PDF document text
  • http://studiotecnicopinto.it/userfiles/files/66948624037.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/79381626470.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/72179592141.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161350d81c95fe---difefimulero.pdfIn PDF document text
  • http://ombs.ru/uploads/files/wugubomejaruf.pdfIn PDF document text
  • https://gilbertems.com/videos/file/wowepepogakegivudaje.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/podawebidapudazuvofobaxix.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/e4d40560a87f350d6abb144a01c0d5ae/79913324699.pdfIn PDF document text
  • http://venusland.vn/app/webroot/img/files/12141312269.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/pegizaxasad.pdfIn PDF document text
  • http://vidiniaibreketai.lt/userfiles/file/75917032593.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/39e0ecc5c7b9d3f907f2d968d6ec735e/59271446752.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/90bbc0ed05c5904a81ea3defaa8f8270/37826700328.pdfIn PDF document text
  • http://ogcdc.org/uploads/ck_upload/files/zugasamawimobumakigofuzos.pdfIn PDF document text
  • http://csc028.com/userfiles/file/20210907003804_nhlczl.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f45fa3f813---pesefituzagosatokuripevew.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161342872ea601---lorobunoforanunemu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=spanish+worksheets+for+high+school+pdfPDF link annotation
  • 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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