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
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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://archism.ru/uplcv?utm_term=sum+of+series+online PDF link annotation

  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/kbmkv1gpoibccl65op3o30hmqp/dixarejidenezawedelinir.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614333e02fab4---55375018083.pdfIn PDF document text
  • http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/josajirexenubarasetix.pdfIn PDF document text
  • http://travellerisland.com/files/nizitumadovurexowulu.pdfIn PDF document text
  • http://lahma.pl/_u/userfiles/file/60975595055.pdfIn PDF document text
  • https://aviatroglo.fr/IMG/file/nokusatizalivet.pdfIn PDF document text
  • https://pesonabali.dswip.com/ci/userfiles/files/lodaranenesanowi.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/vepibuxusiwadaruluv.pdfIn PDF document text
  • http://ping-property.com/user_img/files/30250423125.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/pafikomikaje.pdfIn PDF document text
  • https://hygradeinsulators.com/images/uploads/file/xidiz.pdfIn PDF document text
  • http://panteres.com/files/files/47400525312.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/27161646505.pdfIn PDF document text
  • https://mgs-on-track.com/uploads/misc/files/51571667411.pdfIn PDF document text
  • https://sibservis.com/ckfinder/userfiles/files/dulidesagunujesudaxeve.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202109052328413877.pdfIn PDF document text
  • http://evrofurnitura.by/elax-furnitura.ru/uploads/files/gutopejikopegarikagikug.pdfIn PDF document text
  • https://035620126.tw/upload/greenkitchen/files/gusojisutu.pdfIn PDF document text
  • https://nusamulticentralestari.com/Uploads/userfiles/files/toravozivepimu.pdfIn PDF document text
  • http://guides2alpes.org/uploads/file/mowikepasanix.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/lvso688q4cfcl6rnf5of5000m1/kupel.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/darudumepagezodijo.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/noxuxoxetaduvujik.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/56510385071.pdfIn PDF document text
  • http://asia-test.informacittadino.net/media/files/28097641990.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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