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://ketchas.ru/uplcv?utm_term=best+leveling+pet+wow+classic PDF link annotation

  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/7ab4847fe6d4880471560fb8ec8f2da3/zidixax.pdfIn PDF document text
  • https://www.pessin-location.fr/ckfinder/userfiles/files/zuxuripoge.pdfIn PDF document text
  • http://gdgom.com/upload/file/210917170524790707wc4nvo1icgnm.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16151235cb2318---32319955.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/nofarukulinabudulit.pdfIn PDF document text
  • http://mcutech.net/upload/2021/10/file/16338161071509154853.pdfIn PDF document text
  • http://pate4me.com/userfiles/file/gunezubemijusafuwumev.pdfIn PDF document text
  • http://liveisagenix.com/ckfinder/userfiles/files/11726533178.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/82942069071.pdfIn PDF document text
  • https://mimpishio2bet.net/contents/files/xemadez.pdfIn PDF document text
  • https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/70528537806.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/59562643934.pdfIn PDF document text
  • http://gainliving.com/upload/editor/file/97690361329.pdfIn PDF document text
  • http://postele-z-masivu.sk/ckfinder/userfiles/files/40307821240.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/lixidugonigudezenolasogaf.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151786d33ce0---34643492935.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/13710798637.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16158489f3b4c6---meduvej.pdfIn PDF document text
  • http://111-orte.com/testarea/cwsCMSlight/media/files/tatajovegalisiwalasad.pdfIn PDF document text
  • http://wxbeimei.cn/upload/ckimg/files/202109070635247219.pdfIn PDF document text
  • http://qianlong99.org/ckfinder/userfiles/files/tuzemufapodurutepefotavo.pdfIn PDF document text
  • http://portaldo.eu/contenuti/upload/file/68475625781.pdfIn PDF document text
  • http://zzquansu.cn/d/files/pemuxemirofelogete.pdfIn PDF document text
  • http://maha.tcnme.com/chop/multimedia/userfiles/file/31257106200.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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