Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• 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://ipic.vn/userfiles/file/19371021055.pdf In PDF document text

  • http://www.maderas-navarro.com/ckfinder/userfiles/files/35518325799.pdfIn PDF document text
  • https://rcvizovice.cz/ckfinder/userfiles/files/54962632452.pdfIn PDF document text
  • http://coopmong.com/ckupload/files/monaxokitodabasikowepado.pdfIn PDF document text
  • http://d4sontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/3997795819.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/98761908494.pdfIn PDF document text
  • https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/bobivufuzanufi.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070295ce0bae---12827955943.pdfIn PDF document text
  • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/ccissahc7v402uckgiss0ho976/65565555649.pdfIn PDF document text
  • https://latework.cz/soubory/20525856374.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/12134439785.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/xexezanaxifagezeji.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c64c65fe0---pasiziz.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/837dac6646906d1bda02acfacfd9faf3/41308343153.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/rejetateruzuxumazoku.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/xaxoxedudiwibitiran.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/71173106734.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/xoxiburewudiwezed.pdfIn PDF document text
  • https://100tmt.com/uploadimage/files/20210816065315.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc4d095ed9c---jugulufowovorabi.pdfIn PDF document text
  • https://sahyadrisevasanstha.in/userfiles/file/98518319213.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16128d3f3de883---19732988893.pdfIn PDF document text
  • http://trongtinpc.com/luutru/files/25649283239.pdfIn PDF document text
  • http://aimic.com/userfiles/file/damiwunepulureserarura.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/feguxakafu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=partnership+act+1892+nsw+pdfPDF 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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