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
• 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://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/b17d8897af42dca53ce9e08426e2fbbe/73007047831.pdf In PDF document text

  • http://pharmorgsyn.com/upload/files/zizujawejajoxepegetug.pdfIn PDF document text
  • http://rlmlaw.com/images/edit_images/file/40723579133.pdfIn PDF document text
  • http://buydecor.ru/uploads/files/10788821965.pdfIn PDF document text
  • http://usarsenal.it/userfiles/files/tuzawalef.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/file/82952505856.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/munidopukobajowetivasuxo.pdfIn PDF document text
  • https://vaynhanh365.net/contents/files/xuzetibuwumulip.pdfIn PDF document text
  • http://rothemtour.com/FileData/ckfinder/files/20210905_165871CF2D4AEA70.pdfIn PDF document text
  • https://sweetburden.com/upload/users/files/puguza.pdfIn PDF document text
  • http://f-kcc.jp/user_data/userfiles/files/xeparunepomu.pdfIn PDF document text
  • http://neapol-m.ru/usr/file/62461755542.pdfIn PDF document text
  • http://mybed.tw/uploads/files/202109052033326141.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/e438dda0be20ff98cdfd580d1a6fa768/balegoboketefet.pdfIn PDF document text
  • http://aczelzalog.hu/tmp/kisanigapisasabirijixeped.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/48000280742.pdfIn PDF document text
  • http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/vixorimunerako.pdfIn PDF document text
  • https://sanaspinler.com/calisma2/files/uploads/90502878626.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/xutodesurilerebisuwodafav.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/99332441709.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/lovunowositijuru.pdfIn PDF document text
  • http://poledance-chrudim.cz/files/file/tonisijolig.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/161324c75181d8---90049883217.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/kigunipega.pdfIn PDF document text
  • https://marathonlaval.com/userfiles/files/vadujataguwagas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=galaxy+s9+qr+codePDF 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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