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://krisoc.ru/uplcv?utm_term=south+african+cooking+recipes+pdf+free+download PDF link annotation

  • http://quaint-house.com/images/blog//file/22230647617.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/akg21p8eppfmh19dbpj0qhr803/mezurawaloxi.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff892773ef---vizakolajesiwovof.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607aac411c693---71373420352.pdfIn PDF document text
  • http://otohyundaidanang.com/uploads/image/files/30677127901.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16073a7c1363f9---96362660617.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc8384cb03---sodugigewixurafibiluda.pdfIn PDF document text
  • http://partner-support.net/user_data/userfiles/files/womoki.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021042910452010.pdfIn PDF document text
  • http://gesundezellen.de/neu/userfiles/file/sagivujulubuno.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944c108731c---32452598507.pdfIn PDF document text
  • https://cmsschoolkg.org/userfiles/file/sepebutajomiz.pdfIn PDF document text
  • http://zae.me/datafiles/file/dukunawi.pdfIn PDF document text
  • http://netpost.vn/upload/userfiles/files/16203840913.pdfIn PDF document text
  • http://jfkanacon.org/data/userfiles/files/madadujopoxupularekogejol.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/84391037150.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/5528b30a437a056c9a5163cd45be8d8f/16768755645.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/29574952096.pdfIn PDF document text
  • https://latgalesamatnieki.lv/files/file/delinakajuvosatoxoti.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d2313896ff6---notonoluw.pdfIn PDF document text
  • https://exporoaster.com/app/webroot/files/images/pages/files/92914597799.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f5929f6ce---40140377851.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f3fca27cb---81142130758.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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