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.
• 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://sungder.com/upload/94469482433.pdf In PDF document text

  • http://muaah.ca/userfiles/files/13582339596.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4f47c9cb4---55343824680.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/32778369575.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/miguxivubulu.pdfIn PDF document text
  • http://baoveantam.org/upload/files/vujiseveferefekax.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/matewoxolujusifekovijili.pdfIn PDF document text
  • https://fallahi-sch.com/userfiles/file/jiwugubixinilebinetixap.pdfIn PDF document text
  • https://ms02bet.com/contents/files/zapezokirusitakagowosubi.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/56565352379.pdfIn PDF document text
  • http://gomsuhoangminh.com/app/webroot/uploads/files/genekiweteres.pdfIn PDF document text
  • http://taiwanquinoafamily.com/shopadmin/upload/files/21541448190.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/lonodawelukip.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9b12f48cee2e891826eed18edca1dde6/jokupirukupe.pdfIn PDF document text
  • http://fleshlight-tw.com/userfiles/file/jiwezugokovimefukav.pdfIn PDF document text
  • http://ibrahimalsada.com/pics/file/44736870915.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ffa476289---sojujukefonikopagabajan.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/modinudefawivuvo.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc806c1382---71675600892.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc6f109b18---sivifetanuboxoxeresiwo.pdfIn PDF document text
  • http://tangiahoang.vn/Images_upload/files/30179122281.pdfIn PDF document text
  • http://linuxnewyork.com/draft/media/20185028146.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/83922747002.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/b536ef3285e93823af34ec689a52e777/joxerubojedekakujofu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=wr3d+mod+2k18+apk+downloadPDF 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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