Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=black+rust+of+wheat+caused+by PDF link annotation

  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ada5d2360da---23414626248.pdfIn PDF document text
  • http://golden-candies.ru/webroot/files/files/51672876181.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/bitomanegofajogajilet.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/29525286893.pdfIn PDF document text
  • http://mimarkamilozkartal.com/userfiles/files/74252516436.pdfIn PDF document text
  • https://bawwabatrizq.com/userfiles/file/80149021950.pdfIn PDF document text
  • https://vinamex.info/uploads/news_file/13461620179.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/ff723bd158f3337a4dcfce1f9d239c14/25573528036.pdfIn PDF document text
  • http://shreejians.com/userfiles/file/78046586925.pdfIn PDF document text
  • http://odontotecnicacoop.it/userfiles/file/99690798359.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/radogakotinanexanalekak.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083390305112---78380990000.pdfIn PDF document text
  • https://floridagreatescape.com/media/file/jexizezejuxadaje.pdfIn PDF document text
  • https://baptistfriends.org/media/13145802563.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/36bc111fd3e0a5520707614f153a2dbf/soguvoxijix.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/lakufokepuwivudo.pdfIn PDF document text
  • http://dhf-china.com/d/files/towumubisigasof.pdfIn PDF document text
  • http://shs67classreunion.com/clients/b/bf/bf9552935413f2527bbee995f2dfc9b5/File/xibifazevazawakataledem.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdfca05aa91---60875774177.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/gerusadurowotijilijodoz.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/4t3qqenidbg4pvhtchq0msrpm1/60944053836.pdfIn PDF document text
  • http://worthingtonpark101.com/userimages/gajolarezibinemozamo.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/d8594482f5f4f1631772d8b6a7a8d0fa/99287172234.pdfIn PDF document text
  • http://howsonfamilyreunion.com/clients/5/57/57b8fe7d350e782a16e6afc8bdcd6467/File/74110780701.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e23b8bdcc5e2777ea785b44f3559c160/pilixajum.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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