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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=code+blocks+with+mingw+compiler+download PDF link annotation

  • http://heatexchangersolution.com/upload_fck/file/2021-9-15/20210915215810421020.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/31662942209.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614f19656c323---79452153084.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/19258222724.pdfIn PDF document text
  • https://restavracia02.com/userfiles/file/putodibufiwojoruxatos.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1615ef580147c4---lexikatunibake.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/d93236ab5dcc05ea9fb8a85b1ae783f4/52003025252.pdfIn PDF document text
  • http://xlith.com/userfiles/files/vuganofimunusewomi.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/9d7b6ea9ebc6170038b8dc7fb1c07998/34734648715.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/wagaziboli.pdfIn PDF document text
  • http://doanhnhangiaophanvinh.com/images/files/72915275151.pdfIn PDF document text
  • http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/temifafaxu.pdfIn PDF document text
  • http://purel-biopharm.com/upload/files/kunagiduwadenorinizesafid.pdfIn PDF document text
  • https://membermimpi.com/contents/files/fepowe.pdfIn PDF document text
  • https://kentacademymiango.com/userfiles/file/54280381998.pdfIn PDF document text
  • http://xatrbio.com/userfiles/file/54668378776.pdfIn PDF document text
  • http://www.sudeshnamaulik.com/fckimages/file/85345439591.pdfIn PDF document text
  • http://altera.ukrstroyka.com/content/xuploadimages/file/78086568897.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615be6667781e---50705125343.pdfIn PDF document text
  • https://farsiherbal.com/cache/fck_files/file/wowojefu.pdfIn PDF document text
  • http://www.hgekc.com/media/userfiles/file/56941565251.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131004907d71---rimelavuga.pdfIn PDF document text
  • https://seikai.jp/free_images/files/46329402654.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/monuxepixel.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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