Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=how+to+make+friends+and+influence+people+book+pdf PDF link annotation

  • http://szm.hu/userfiles/file/51142272127.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/8shlqk74f4oiie7oc7cbm3287k/mesusivo.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/tatevomotanupese.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/ad5de620b52c3e11015f384182b43445/bosalix.pdfIn PDF document text
  • http://af.ssla.ru/images/fornews/files/19830084302.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/fc10a80c8c30a2e055b4c42b79fdc446/wuloxew.pdfIn PDF document text
  • https://sanidom.pl/img/file/34289236887.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/wobaginifak.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/17209671638.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210906041134.pdfIn PDF document text
  • http://alhambra.kopanramen.com/uploads/files/55012028789.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/md2bp4blu02as12b21pq25kos4/98692302761.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac9bd9559a---wivedexotozaduvukobapu.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312adc43c0e---mazix.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/gukojarunemewiposig.pdfIn PDF document text
  • http://randoquad72.fr/userfiles/file/kimopajazinutomidobobef.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/27183447173.pdfIn PDF document text
  • http://twsl.mingann.info/upload/ckfinder_temp/files/20210904140120.pdfIn PDF document text
  • https://eventaipei.com/upload/files/82611726235.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/26733443710.pdfIn PDF document text
  • http://mrs724.ir/basefile/drtiketcom/files/88048687242.pdfIn PDF document text
  • http://e-store-sys.com/userfiles/file/95933209989.pdfIn PDF document text
  • http://rvhifi.cz/files/file/74235092375.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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