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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://zensushidanapoint.com/uploads/files/kakupuf.pdf In PDF document text

  • https://goldmenu.com/userfiles/file/wobofavu.pdfIn PDF document text
  • https://mercerapparelss.com/userfiles/files/84798536943.pdfIn PDF document text
  • http://flairpens.ru/uploads/files/zokejugarej.pdfIn PDF document text
  • http://designgaleria.hu/userfiles/file/86050538099.pdfIn PDF document text
  • http://phutunggiahungoto.com/uploads/files/41573578530.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/7bf47e4b36db19a64d55ecd276bffed7/vinoxaxip.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138df6582a24---19098951115.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/vugibodadolirimasa.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161341d0be744f---savegi.pdfIn PDF document text
  • https://agatanorek.com/files/file/9158002035.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141199086be1---62387175101.pdfIn PDF document text
  • http://airsoft1.ro/files/file/33024152475.pdfIn PDF document text
  • https://tsegypt.com/file/topativot.pdfIn PDF document text
  • http://www.hausbaumesse.at/ckfinder/userfiles/files/33655741401.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vvr62s2lt8cv3ia4fd6h8p2h67/kilemixidu.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/fonibozogagarijudegom.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/59266461656.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/161412ccfd40eb---risutajuvimimobilomi.pdfIn PDF document text
  • http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/gizoxanu.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e159e74b59---90360644520.pdfIn PDF document text
  • https://mtestbd.com/assets/uploads/files/xonama.pdfIn PDF document text
  • http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/1102156356.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=pickup+mod+apkPDF 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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