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.
• 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
• 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 http://myucmas.com/userfiles/file/52197336765.pdf In PDF document text

  • http://elisa5888.com/shopadmin/upload/files/70278690593.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/13343231905.pdfIn PDF document text
  • http://rwdwebwebdesign.com/img-aim/files/62013962731.pdfIn PDF document text
  • http://www.sas.edu.mn/ckfinder/userfiles/files/zubizuvopixuxadaz.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134534e439b1---rivufej.pdfIn PDF document text
  • http://tumakuruvoice.com/tumkurvoice/ckeditor/ckfinder/userfiles/files/93221088142.pdfIn PDF document text
  • http://smsgurugram.com/miet/assets/files/81178082651.pdfIn PDF document text
  • https://drticket.ir/basefile/drtiketcom/files/86111626346.pdfIn PDF document text
  • http://www.uds-myanmar.com/image/upload/File/20032448063.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161355ac319bbb---vezojukixitebewobulanibaw.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f93397cd41---59463062378.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2b56a7217---83102115513.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-9-1/20210901141109607342.pdfIn PDF document text
  • https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/34502404564.pdfIn PDF document text
  • https://pgp-puh.hr/fck_media/file/wukedisixewotatevejotafa.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/88579513787.pdfIn PDF document text
  • http://asid.rw/userfiles/file/futerumedunazuboxuroli.pdfIn PDF document text
  • http://reichspfarrer.sk/file/12776628342.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/tufubazomodeveri.pdfIn PDF document text
  • http://wumag.pl/userfiles/file/xafexogisanigugabu.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134af7e3bf3f---detiripababuwesinaruk.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/56244688317.pdfIn PDF document text
  • https://www.ewdel.cz/ckfinder/userfiles/files/wuxek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+download+games+from+play+storePDF link annotation
  • 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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