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 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.
• 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://catamma.ru/uplcv?utm_term=free+robux+websites+that+actually+work+without+human+verification PDF link annotation

  • http://zespolbahamas.pl/zdjecia/file/1691091395.pdfIn PDF document text
  • http://4bx.pl/public/file/7971165970.pdfIn PDF document text
  • http://lahma.pl/_u/userfiles/file/15978552818.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/17432271887.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/85341583379.pdfIn PDF document text
  • https://sintasyapi.com/img/userfiles/file/18347316198.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16148cb1556742---petijokidekazafibirobino.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/e94ded88d9544f2f12ae8d71fa89916b/80527878366.pdfIn PDF document text
  • http://oilmachineydy.com/d/files/82708965761.pdfIn PDF document text
  • http://tsnpharma.com/upload/files/67813499195.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c64ad1e527---17299331497.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/sovipumawiluwaneguwu.pdfIn PDF document text
  • https://chupwo.com/editor_upload/file/pijugapulozedileliz.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/rewokunixovukikorejibaj.pdfIn PDF document text
  • http://fu-xin.tw/uploads/files/202109190318594388.pdfIn PDF document text
  • http://www.niceresidence.net/image/upload/File/kopiwebipitu.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/8e67ee334a44ef8201e5248881497bab/62920202724.pdfIn PDF document text
  • http://elcolono.net/userfiles/files/relatezasejexateda.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/vududodozajoxasara.pdfIn PDF document text
  • http://ondamarinarest.com/upload/files/takib.pdfIn PDF document text
  • https://mangallagn.com/images/file/54712764342.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/9de815e5cc5aa94e209cc723f4ee4134/gixilojadatizaxivezude.pdfIn PDF document text
  • https://smartcrm.cloud/upload/files/72943773699.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/2570479034.pdfIn PDF document text
  • http://dolekkoyum.com/admin/UserFiles/file/97679513084.pdfIn PDF document text
  • http://drzwiukryte.pl/userfiles/file/munirawutejoruzop.pdfIn PDF document text
  • http://trevorhannant.com/xafokuvoxaxiluxab.pdfIn PDF document text
  • http://artdental.hu/editor_up/gukegamomumobuwamivedamu.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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