Malicious PDF — malware analysis report

Heuristics 6

• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://huntic.ru/uplcv?utm_term=coin+master+generator+no+human+verification+2020.
• 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://huntic.ru/uplcv?utm_term=coin+master+generator+no+human+verification+2020 PDF link annotation

  • http://cosyromania.com/media/file/45440189553.pdfIn PDF document text
  • https://www.premiumtrade.ro/ckfinder/userfiles/files/zubenijes.pdfIn PDF document text
  • https://galaxy-training.com/userfiles/file/xizewafonexaxozedete.pdfIn PDF document text
  • http://belv.ru/userfiles/file/xufoxafebega.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d50c611ebe---48676133683.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/7969b0f98486c8726df56d24daa6851c/98215208293.pdfIn PDF document text
  • http://kco.su/userfiles/file/mafesuj.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/pubofo.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f1ae80e0d---4189900444.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/onusfc3atfdglebhta722ulj62/xemidadi.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094659f797df---20009014248.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088998473441---wuvimovodelapix.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe1f87f276a---7018414881.pdfIn PDF document text
  • http://heorungminhphat.com/luutru/files/borujunizukowoku.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/99074456820.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/ljo8b26g5qt09n5qcb0feet8ic/vuboruzifujopokifozisan.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/f2liiod4eq1k5oqe7l7mh4rnrn/60383532159.pdfIn PDF document text
  • https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/tijosawemorabala.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b41fc6a26e---9363921669.pdfIn PDF document text
  • http://kemnhapkhau.com/upload/files/bevatetilorijetorezunulam.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be0e0fe7c95---kapojinurujorakiwizidigaz.pdfIn PDF document text
  • http://www.lugashotel.com/data/editorfile/51218635401.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210801050500.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba2c9542be---8845611499.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfbf2bdf32f---jelewem.pdfIn PDF document text
  • http://westernstudioservice.com/admin/userfiles/file/3000691775.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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