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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://medvor.ru/uplcv?utm_term=qr+scanner+code+online PDF link annotation

  • http://villaelen.it/userfiles/files/zisegeviwadejutovokoz.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/21786816970.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/53128363746.pdfIn PDF document text
  • https://zagorjeadventureteam.hr/files/92122899783.pdfIn PDF document text
  • http://whitedwarf.ru/public/images/ckfinder/files/girezo.pdfIn PDF document text
  • https://rajatotogroup2.com/contents/files/78205935346.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/wugirigewaxuwogetajawuzut.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/fajugusevobejupasakujev.pdfIn PDF document text
  • https://alstar.uz/images/shared/file/parijetimowofa.pdfIn PDF document text
  • https://endobible.com/userfiles/file/55679878542.pdfIn PDF document text
  • https://srmhomes.com/images/bulk_images/files/vumiju.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329b47223c7---71201216694.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/dokafadaforozediduge.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/161477b8334f56---navow.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/28463814902.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420f3ced831---65349660344.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/84a6ddf457f175cdec53240cedf673f8/34258394505.pdfIn PDF document text
  • https://crmsaas.dswip.com/ci/userfiles/files/lazejimerodojenevo.pdfIn PDF document text
  • http://honeycontacts.com/uploades/userfiles/file/68518240320.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/719470f974da79f8013a81a28d4d4124/35335570777.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/81269411758.pdfIn PDF document text
  • http://ltptech.vn/uploads/userfiles/file/jodeneteju.pdfIn PDF document text
  • http://carbonelite.ru/file/54389345664.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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