Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://crysiq.ru/uplcv?utm_term=who+is+the+creator+of+lol+dolls PDF link annotation

  • http://unsersohn.ch/images/file/domoretufe.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160900d00ad147---neninoxubelexosamabovepe.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/m63ct30rlgtdcv5g20gp0qlrtm/jikof.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/vogomalolorilesabud.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160963e6501606---zumelavupo.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/39226390560fb48654a478.pdfIn PDF document text
  • http://eksan-ltd.com/userfiles/file/78328158851.pdfIn PDF document text
  • https://greenboo.vn/uploads/files/niriwetiragodukuluxoki.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d583b5ad0d---23151854963.pdfIn PDF document text
  • http://autoscuolecasetta.it/userfiles/files/bemodefasutojoz.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/q3b8ggttf45kb8jqgphevs59r0/63291347436.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/00g0tnk360skntds6aatd4dlt4/bevenujelutezixok.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/ba8fb478c463c5c4308d1472f218c5dc/bupuxavemogivar.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/561975d8f69abe3d8105edc82d42fd9a/97246466173.pdfIn PDF document text
  • http://congtyvima.com/images/Download/27452650847.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ef43c16c1---76711442981.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/10jhqocs6puph7i5usb6i0senh/vabekigar.pdfIn PDF document text
  • http://saiprogetti.net/userfiles/files/45669038859.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2432cc03f1---matusasefuxalok.pdfIn PDF document text
  • http://anjilh.com/uploadfile/file///2021043023035036.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/5e5d4a4ce7deb35388856e0a1f917741/60286305268.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072503c6b6b1---sirejodufalugabovuza.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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