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=tera+hero+game PDF link annotation

  • http://citlak.de/admin/UserFiles/file/61434021246.pdfIn PDF document text
  • http://homelife-superstars.com/image/files/zamujapezukafojilagiloli.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/kqtup8sst6a1oappj87eds3hqa/bisasozewifi.pdfIn PDF document text
  • https://gtsk.solar-napkollektor.hu/js/ckfinder/userfiles/files/85224383566.pdfIn PDF document text
  • http://mn-print.ru/ckfinder/userfiles/files/goreneruregibibipuzibu.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/82866365056.pdfIn PDF document text
  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/jurifufolodipafiguxuko.pdfIn PDF document text
  • http://chayka-svg.ru/files/72113585556.pdfIn PDF document text
  • https://artbynela.com/uploads/file/26876735861.pdfIn PDF document text
  • http://seoulgreeter.com/userData/board/file/69001654195.pdfIn PDF document text
  • http://maketmaster.ru/admin/ckfinder/userfiles/files/65113207725.pdfIn PDF document text
  • http://zmz72.ru/files/file/26346632950.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/42794432647.pdfIn PDF document text
  • https://avukatwebsitesi.trakyasoft.com/upload/files/betarutolononivureruwoke.pdfIn PDF document text
  • https://currenwatch.myhost360.cn/file/upload/files/09-02-07-51-01-74.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/8a281eonaqd3qbc8t8rus0bnu7/63050589945.pdfIn PDF document text
  • http://costruzionibulagna.it/userfiles/files/49409172297.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1614d89f75e63f---piwosasiz.pdfIn PDF document text
  • http://321eastern-thailand.com/userfiles/files/gelasezeg.pdfIn PDF document text
  • https://nedimgame.com/calisma2/files/uploads/96978307725.pdfIn PDF document text
  • https://pomtco.com/technical/files/file/libefulatepuduten.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/farazisesoxefaju.pdfIn PDF document text
  • http://tasfor.com/files/galeria/files/80822844296.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/21492857389.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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