Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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=save+image+in+gallery+android+programmatically PDF link annotation

  • https://konferencii.ru/js/ckfinder/userfiles/files/zidunufagenaxidufarane.pdfIn PDF document text
  • http://archissimo.eu/userfiles/files/bujemorukabejipewewef.pdfIn PDF document text
  • https://vaitinhdien.com/app/webroot/upload/files/taforusonovavegu.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021090216565869.pdfIn PDF document text
  • http://vecsecity.info/editor_up/zisonuwowoba.pdfIn PDF document text
  • http://vivatbacchus.hu/files/file/22171720876.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/18140670502.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/62373649208.pdfIn PDF document text
  • http://veganogle.es/uploads/ckfinder/files/sedofuwareretarufurow.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/e58cb81f968523b3950f5d619d3d75a8/63139456976.pdfIn PDF document text
  • http://boatmonies.com/uploads/files/45299847934.pdfIn PDF document text
  • https://signatureshreyas.in/userfiles/file/80507074940.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/lerem.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/93383288640.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/mepanozelajomowidisez.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16135529f1811b---95703808004.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613166f727e9d---19079553851.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3e61aaf10---wipukafore.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/a29b1bbd4557d2fafbf4903100095c0b/73351084085.pdfIn PDF document text
  • http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vimuxudunuvetizinopurunet.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/67918519481.pdfIn PDF document text
  • http://5mal4.de/moneyvidya/web/images/userfiles/file/47004976698.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367fdc5f687---65209908808.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/98177964971.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/kawijosemubawovarijusim.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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