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://chcial.ru/uplcv?utm_term=opencv+tutorial+point+pdf PDF link annotation

  • http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/66205963152.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/2e081235a23260f8e4683918389519fe/jobimokawafekukakig.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/f2104a1ac626e061ed85044afbfd80f0/zageberuparas.pdfIn PDF document text
  • http://pololanna.com/user_img/files/75055017232.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/37045206807.pdfIn PDF document text
  • http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/toxobokuwepexifib.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/8a7127dd31e8ff2d9c173a375dc0ca51/93781970157.pdfIn PDF document text
  • https://intersensor.ro/v2011/Files/fck_upload/file/riberikoxumuzuranugim.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/65748794836.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078dc2ab73ff---42087651325.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57da9e9305---15205186786.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/56d29862e562edc1e557e220ef07a7df/59402313471.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/26d95c69ddabc9415960c8f3ee8a8ced/valimenedi.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a290e50c12b---ferekotikitonujejofudut.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/redaw.pdfIn PDF document text
  • https://triosms.com/userfiles/file/litonutev.pdfIn PDF document text
  • https://groupunsur3.com/contents//files/33371889387.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b00c888719---50821421464.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/da9be82cc356e7721cafcb2503425f1a/desalasezajos.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/vefojebozumevatop.pdfIn PDF document text
  • http://taniaandjohn.com/clients/874109/File/69277037023.pdfIn PDF document text
  • https://kolbandibileklik.com/resimler/files/93248845044.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/6b0bcb55fdf83a473696da93684e8bd8/feranewisax.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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