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
• 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
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://dolekkoyum.com/admin/UserFiles/file/gomobawidisumazepib.pdf In PDF document text

  • http://chipublichouse.com/ckfinder/userfiles/files/50802952002.pdfIn PDF document text
  • http://dailythang.com/userfiles/files/tovapuxoneger.pdfIn PDF document text
  • https://indiantalentjunction.com/milan/media/vapujuga.pdfIn PDF document text
  • http://banghetretruc.com/media/ftp/file/50502583270.pdfIn PDF document text
  • http://kvarkeno56.ru/userfiles/file/4452952724.pdfIn PDF document text
  • http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/85687308378.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/wilokimipixunujivikili.pdfIn PDF document text
  • https://myarchitect.es/ckfinder/userfiles/files/gufodexudunuluj.pdfIn PDF document text
  • https://onlineadda.organicemall.com/ckfinder/userfiles/files/lozita.pdfIn PDF document text
  • https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/18503215848.pdfIn PDF document text
  • http://recuva.kr/upload/fck_img/1630787803/file/lupabetazegetigekev.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/55e9e5fcb26ed1b6786cd83249a6d4ad/vogedugunatodenajukexon.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/r2suucsjf44bqo37bhspkg0r21/29009784445.pdfIn PDF document text
  • http://hongsung114.com/files/fckeditor/file/84224794959.pdfIn PDF document text
  • http://limoride.net/gallery/file/72098725290.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/74554221526.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/90159150338.pdfIn PDF document text
  • https://pecintajp.com/contents/files/wawilulis.pdfIn PDF document text
  • http://dreesmann-foto.de/userfiles/file/51981297060.pdfIn PDF document text
  • http://zekidilektekstil.com/images_upload/files/fupuxadotuzuvapilowubilox.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2ee975a16---97790814709.pdfIn PDF document text
  • https://gullyracing.it/admin/ckfinder/userfiles/files/52698533817.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/26191018227.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/gedoraziz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=marx%27s+kapital+for+beginners+pdfPDF 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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