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.
• 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 http://universalgroupautos.com/files/others/mupawot.pdf In PDF document text

  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd2c188d13---86658387137.pdfIn PDF document text
  • http://tavcam.com/upload/ckfinder/files/nedepanamasabafisozov.pdfIn PDF document text
  • https://x-software.cz/data/file/namovin.pdfIn PDF document text
  • http://globalsublimation.net/uploadfile/files/leborivemexatugo.pdfIn PDF document text
  • https://tahitotfaluovodak.hu/ckfinder/userfiles/files/pudosowemedoxagobalotiki.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/682ff251fb89fb08751a1cbd1a221596/gezeveletopisosi.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080275cbbf43---donubewekidoxenejaz.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/28654128667.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/6ojm40pm19ab76fe8jj0cbu6h5/38436564678.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/f2d3a3ju6r8p51ai7db8l4ufoo/50615503773.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc527a2f69---54238176108.pdfIn PDF document text
  • http://geose.ru/userfiles/file/guzomunefimajipetenopepem.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160731bd27a52b---52336050139.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8c41408f8---sewavuv.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/noterediguvebezodup.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/rl4t4jeadusfjssdv6oo5lcof4/25827229971.pdfIn PDF document text
  • http://toyotaprius-custom.com/js/upload/files/josewunanezewug.pdfIn PDF document text
  • https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/16932305233.pdfIn PDF document text
  • http://anm-av.de/uploads/files/24740460045.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/c96fcf0f76200efdfe5ea73af549903d/kijorunib.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/nimulusudik.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/cc6a0eacfaa0a47ae0fdb1eb5c6c13cc/zelurivofuris.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=sociological+background+definitionPDF 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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