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://crewmak.ru/uplcv?utm_term=can+you+buy+insulin+needles+at+walgreens PDF link annotation

  • http://bigxra.com/uploadfile/file/2021050922093373499.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/88692374182.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/88948571960.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a663058c9---ribaviged.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe5f3f73a---23624967531.pdfIn PDF document text
  • http://ckm-machinery.com/userfiles/files/jusuropedagababaxalu.pdfIn PDF document text
  • http://jagodkaprzedszkole.pl/userfiles/file/54421435190.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210723110011146.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/8104779521.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b01563d369e---25494724449.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6691ddd28a---mibivejab.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/08f259d3cb77a4da2872a0476a7b88c0/bevosurasinuju.pdfIn PDF document text
  • http://hhcreunion.com/clients/4/43/43f38dc94a4d709fe78decf5bd9d7370/File/66719293979.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/gekifesovopebupa.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c889d81f95d---sunobipume.pdfIn PDF document text
  • http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/53978707736.pdfIn PDF document text
  • http://gat-asset.com/CKEdit/upload/files/5473219310.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/p41afquj6f0ucc2ifj1kqrs48d/2280839134.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/35689111094.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160d7fb0305de9---bikupisu.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/kimipuduweropunirelugera.pdfIn PDF document text
  • http://haiqi-machine.com/d/files/lisaxiguzupogur.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/97436890891.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/k62jfijb9ifamnqch6j1h9gkm5/87874698642.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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