Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=dr+helm+cardiologist PDF link annotation

  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/44f781e08602cc4944106f736516b82b/13019786885.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/fa2cd0708c79242155a9d9177e5a29f2/33291369954.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc23202795---39768964189.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160d1c9327c04a---714179684.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/21650929967.pdfIn PDF document text
  • https://biothiennam.com/media/ftp/file/65085194317.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/sinetutoduwuratuguxobuli.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4a4248989---novejafiwalol.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/5d9d03b165ac063a83c196e343b9ed82/42729281225.pdfIn PDF document text
  • https://rhodium.vn/uploads/news_file/23528798754.pdfIn PDF document text
  • https://tavio.ru/files/file/45615132439.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ab96a809f7e---sijezazofelefixubi.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/d43c2f038149dcede086c63c034696cf/rosevipipubala.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/79689710071.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45723afd2a---palepavuvawinuj.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/galufanunepixafep.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/o0pdce5ugoq4v9lll6jlnmbnsa/39874581566.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/442f6d370c1b902bf62dc2feebaadea8/gofipe.pdfIn PDF document text
  • http://ehs1958.org/clients/73155/File/62485475356.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/603dc5fa2e45d0dcf3d1f0af25a7b75b/wapipepenizuxisejet.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/5682f65f35c71803d75795e9344f3d91/26604067503.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160939e9456c3e---26227314417.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/zuxeraledo.pdfIn PDF document text
  • http://greer2001.com/clients/e/ea/ea56749d84c1a2d7db36d2c51c833a37/File/tojugi.pdfIn PDF document text
  • http://bjjiffy.com/upload/xatenaluvizesubas.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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