Malicious PDF — malware analysis report

Heuristics 7

• 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://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=measure+of+exterior+angles+of+a+hexagon.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/d8edcd8a33c484e50f1a031d6647a361/82454058495.pdf In PDF document text

  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/24806213552.pdfIn PDF document text
  • http://seamacros.com/upload/file/foxufaromikagidoxulara.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/62461363311.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/db068fed95e769eeb9b705ef1a2cedb8/30211204164.pdfIn PDF document text
  • http://sparkpro.lv/content/file/77188067648.pdfIn PDF document text
  • http://anhopphat.com/uploads/files/55539824813.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/resinixadok.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/silizifeb.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/vflkvpmht94jfabc1qb6vkru2g/61830518029.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/0i5vmqvr7smkpql6tm4j6bm39g/1230005353.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/24609811533.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/zodolibin.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/59fb8886938d658aee41e15b3b661d10/63003385495.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a55313f3112---timibawekedufanufufa.pdfPDF link annotation
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/9a9c38d07c5b757b7c685a8b4ae715af/12199320187.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/77518523196.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/67179771142.pdfIn PDF document text
  • https://alrukn.co/userfiles/files/99041344421.pdfIn PDF document text
  • http://doo-san.com/userfiles/file/20210516145833.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/13893361171.pdfIn PDF document text
  • http://blissrenewbeauty.com/newerac2c/userfiles/file/sodafokifukajukukobowo.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccfd3c75a5---84408230064.pdfIn PDF document text
  • http://suncitygroup.ir/basefile/suncitygroupir/files/mefopofepibigusifu.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735c3e40b7f---17207519426.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=measure+of+exterior+angles+of+a+hexagonPDF 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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