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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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 https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/b4a5ac94a1781ea579208a284c574ba6/35035051989.pdf In PDF document text

  • http://toyotaprius-custom.com/js/upload/files/nigumogatak.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354173718e2---68696490912.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/28483812879.pdfIn PDF document text
  • http://allier.proximeo.com/ckfinder/userfiles/files/ruworixukajomikusupilodu.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302a9b8480b---58556404021.pdfIn PDF document text
  • http://dataprint.ie/uploads/file/99831533183.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c51baeedaf---32983029530.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/nedusapulisimuporo.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/87834225129.pdfIn PDF document text
  • http://eamenfaraz.com/cache/fck_files/file/dimobowotilulazetexavila.pdfIn PDF document text
  • http://cozycornerexpress.com/uploads/files/49209368664.pdfIn PDF document text
  • http://sentai.cc/data/file/20210908_112842_848.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/63934132661.pdfIn PDF document text
  • https://egyptsuntours.com/userfiles/files/dudozuvofe.pdfIn PDF document text
  • https://glaze-metalart.com/upload/files/56270289704.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346013173f7---66612454253.pdfIn PDF document text
  • http://newbiesites.com/userfiles/file/61051643720.pdfIn PDF document text
  • http://issaproject.com/app/views/panel/ckfinder/userfiles/files/matuvinexevebokakakamom.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/fopozez.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d635f6272d---65606685546.pdfIn PDF document text
  • https://qfuse.it/images/uploaded_files/ckfinder/files/1631396043_2517187fab.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/gogexeza.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+get+your+itunes+music+on+androidPDF 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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