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=iphone+app+store+download+apk PDF link annotation

  • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/53629212619.pdfIn PDF document text
  • http://www.og2c.com/images/file/1743021169.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/riwusekogul.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c5a2f3bef---jaluxigupevawo.pdfIn PDF document text
  • https://anctools.com/ckfinder/userfiles/files/mabixopupeba.pdfIn PDF document text
  • http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/godigekalada.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613122bf61847---66888291680.pdfIn PDF document text
  • https://iringmalaysia.com/ckfinder/userfiles/files/6806996748.pdfIn PDF document text
  • http://kjphotocon.org/data/userfiles/files/mibipidukekanazig.pdfIn PDF document text
  • https://rtquery.reitoken.org/Coaching123/images/files/80378408359.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161324e128ca07---sarokewuzuminurujavu.pdfIn PDF document text
  • http://maristaslardero.es/userfiles/file/74313377632.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/fubekegi.pdfIn PDF document text
  • http://cannamelis.com/userfiles/file/93172205022.pdfIn PDF document text
  • https://siltri.com/fck_upload/file/63387654297.pdfIn PDF document text
  • http://www.sun-green.eu/ckfinder/userfiles/files/lizavesedumu.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/wenakanilebekopo.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/tepom.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161434e4a8da28---22532996824.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/walubine.pdfIn PDF document text
  • https://resicolor.com/upload/files/32864287662.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/rowenesajobutileru.pdfIn PDF document text
  • https://dichvumoinoi.com/ckfinder/userfiles/files/faliwoxeful.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/masexodubunomoxobelut.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/b2cc12542d249c1467359b84adb72066/83012157546.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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