Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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 https://oniceh.ru/uplcv?utm_term=how+to+make+your+lock+screen+have+sound PDF link annotation

  • http://www.binghan.my/userfiles/file/53340694872.pdfIn PDF document text
  • https://booking-news.hkdnracing.com/webroot/editor-uploads/files/gifemawizopekovugevaruzef.pdfIn PDF document text
  • http://teamwork-poetschke.com/ckfinder/userfiles/files/87276545136.pdfIn PDF document text
  • http://nb-magnet.com/upload/files/72459068754.pdfIn PDF document text
  • https://viboot.traigiongthuha.com/ckfinder/userfiles/files/rawep.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/bunozegexepepeleve.pdfIn PDF document text
  • https://vicotelecom.vn/static/source/images/file/bofol.pdfIn PDF document text
  • http://predit.ru/admin/ckfinder/userfiles/files/72685559236.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3fc509b05---62191005939.pdfPDF link annotation
  • http://studioguatta.it/userfiles/files/jagipenutedivi.pdfIn PDF document text
  • http://domario.ru/userfiles/file/juduvofumujowawijuwibufa.pdfIn PDF document text
  • http://gpe-el.pro/ckfinder/userfiles/files/38717428974.pdfIn PDF document text
  • https://ever-progress.dacola.com/upload/files/bazomomuwinapodezuz.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613de8606479a---92838859561.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/d7d9e57fd44b5314fc6e549951cf8fc1/40461626154.pdfIn PDF document text
  • http://gradn.ru/uploades/fckeditorfile/57187600136.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/34d7ae522add717e1678b65d16b04c56/sikemikalomidedazo.pdfIn PDF document text
  • https://plasy.com/uploads/file/nekow.pdfIn PDF document text
  • http://busangh.com/attfile/fckimg/file///202109046321_239730017.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210915_F7A4474CE71C2223.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144cce9e6feb---kopodojewotanudupimew.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161483d4f2ba66---57489816745.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/19731721723.pdfIn PDF document text
  • http://delve-cr.com/uploads/33002064217.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc54d46149---76436908822.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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