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://synerhu.ru/uplcv?utm_term=brown+and+lee+teaching+by+principles+pdf PDF link annotation

  • https://vrindaindia.com/php/joseph/uploads/file/78903544132.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/0f9ff554e35b5b58c09e84a12de899ed/zowur.pdfIn PDF document text
  • http://studiogeologicotrilobite.com/userfiles/files/27613590766.pdfIn PDF document text
  • http://michellenevinracing.com/FCKeditor/file/1514861485.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/n105m73gnnd6uqtflv62h1cie7/51565500985.pdfIn PDF document text
  • http://studioagm.it/userfiles/files/sanesepu.pdfIn PDF document text
  • http://erainbowrealty.com/userfiles/file/taloxapeputepuxuzajefawu.pdfIn PDF document text
  • https://bakotech.at/uploads/ckeditor/files/26789741892.pdfIn PDF document text
  • https://pratham.one/file/linejaxodoxoxivasisabi.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/63438846759.pdfIn PDF document text
  • http://27derajat.com/assets/ckfinder/core/connector/php/uploads/files/87189236017.pdfIn PDF document text
  • https://casadko.fr/userfiles/file/fazimerejewarimenag.pdfIn PDF document text
  • http://perfect-gallery.com/userfiles/file/ligebilituxipevoxajilex.pdfIn PDF document text
  • https://dalnoboy.com/data/filestorage/upload/files/88780608907.pdfIn PDF document text
  • https://hkfew.org.hk/ckfinder/userfiles/files/lijoxuxojituvovulijumoti.pdfIn PDF document text
  • http://studiomuraca.eu/userfiles/files/lifojenifo.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-9-6/20210906130707220408.pdfIn PDF document text
  • https://unitedfightalliance.com/ckfinder/userfiles/files/78808798879.pdfIn PDF document text
  • https://isitekmuhendislik.com/userfiles/file/pojufiwomeremenibazaxore.pdfIn PDF document text
  • http://sluchatka-shop.cz/files/upload/files/92824247489.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gizuwikojirukol.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/zexovomuvo.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/c89c9c4d9b964c50ffa393e444976c92/68283061434.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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