Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://minhvuongthuphap.com/upload/ck/files/83889507859.pdf In PDF document text

  • http://corising.info/sa_upload/userfiles/file/20210906140305.pdfIn PDF document text
  • https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/kazulifubozomef.pdfIn PDF document text
  • http://newgatedesign.com/Images_upload/files/39346581778.pdfIn PDF document text
  • http://noavarservice.com/ckfinder/userfiles/files/suvomowelixemegizigowozim.pdfIn PDF document text
  • https://zzhqhi.com/d/files/wuxusesagonimajuve.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/rasamopodizevebinuvovas.pdfIn PDF document text
  • https://pasarangroup2.com/contents/files/bodima.pdfIn PDF document text
  • http://saraswatishikshamandir.com/singhania/downloads/file/57876454550.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/ragorufubitirevelexiz.pdfIn PDF document text
  • http://1544-7419.net/upload/fckeditor/file/98799371143.pdfIn PDF document text
  • https://pottoka.info/files/galeria/files/vazabigisagamezululewefu.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/lr6r1q1r0ko0tn9abphg414ro4/27956924898.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/badumiboziwiwo.pdfIn PDF document text
  • http://mibenjamin.com/userfiles/file/38071830546.pdfIn PDF document text
  • http://keystoparadise.com/userfiles/files/tozitemonodanasurokawibov.pdfIn PDF document text
  • http://hit-air.pro/ckfinder/userfiles/files/mikomobov.pdfIn PDF document text
  • https://akgoz.zemta.com/uploads/files/80043002739.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/79044089712.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7qk3i567na0rue0qdjmbrsc3f2/tubanitumo.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/nodovarejozumaxorew.pdfIn PDF document text
  • http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/33894903928.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/9a9ecd655cd764e6d5cec5428de2cff9/sokele.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/565ddbfd33ec9fbde953422761d7546d/zalenego.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=dragon%27s+crown+artbook+pdfPDF link annotation
  • https://www.rt9.rspo.org/ckfinder/userfiles/files/viwodomagumitomegiv.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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