Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crewmak.ru/uplcv?utm_term=whatsapp+verifizierung+geht+nicht PDF link annotation

  • http://ventensis.lt/public/ckfinder/userfiles/files/560234288.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/koxoni.pdfIn PDF document text
  • http://novo-foto.ru/ckfinder/userfiles/files/xagifurefifadewulako.pdfIn PDF document text
  • http://corising.info/sa_upload/userfiles/file/20210914182907.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/3ef3b17c2a4f234de275b2044f1947e4/43790565681.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/34722565784.pdfIn PDF document text
  • https://superchills.com/userfiles/file/77664036109.pdfIn PDF document text
  • https://2acontractor.it/images/file/xetanimebo.pdfIn PDF document text
  • https://goldgreiner.de/userfiles/file/67134251764.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/lofurudego.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c38feefc2---zazubadeto.pdfIn PDF document text
  • https://lanhcongnghiepthinhphat.com/upload/files/93443075966.pdfIn PDF document text
  • http://www.taimaobi.com/admin/ckfinder/userfiles/files/pojimofogo.pdfIn PDF document text
  • https://sangolongphuong.vn/longphuong/news/files/73746012180.pdfIn PDF document text
  • http://tottazo.com/userfiles/file/jonajufivavizowikaperomi.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/koguda.pdfIn PDF document text
  • http://vetcarefoundation.org/userfiles/file/zixilopodonadegi.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d552faa9df---61273657619.pdfIn PDF document text
  • http://csc0351.com/userfiles/file/20210905035408_cv3fuf.pdfIn PDF document text
  • http://hlqh.net/userfiles/file/20210916182117_913636787.pdfIn PDF document text
  • https://drlalashow.com/php/billboard/uploads/file/48875332761.pdfIn PDF document text
  • http://njchemland.com/upload/files/23259185185.pdfIn PDF document text
  • http://studiotecnicopetrillo.eu/userfiles/files/walikifosadazuvilinezipu.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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