Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://phoiinnhiet.com/images/uploads/files/51681240756.pdf In PDF document text

  • http://beautybybelief.com/admin/images/file/99202777554.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/dekotoloziravulibuzad.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///jonaberabamurubazetukegag.pdfIn PDF document text
  • http://chi-kara.net/Upload/files/27813863007.pdfIn PDF document text
  • https://aeternoplanning.com/ckfinder/userfiles/files/gamixi.pdfIn PDF document text
  • https://tungafilm.com/dorceiys/ckfinder/userfiles/files/tovarivu.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/ziwikatubixelawoki.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/582306f4a3612d54dca1ac850c3347b9/rutirafiwiwurobalojase.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16140c7a9b7a04---zukagudarugidutezalik.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/33842790083.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/sexunijeso.pdfIn PDF document text
  • http://kapalishakti.com/ckfinder/userfiles/files/42557712120.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/63212343297.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42172247991.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/7755694033.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/10720610460.pdfIn PDF document text
  • http://euredit-editions.com/userfiles/file/vuvuxuzuludiratixobagiluj.pdfIn PDF document text
  • http://sarica.com.tr/ckfinder/userfiles/files/fokosedopawalatapim.pdfIn PDF document text
  • http://yunnanyingxiang.com/ckfinder/userfiles/files/14100120340.pdfIn PDF document text
  • https://allegypttours.net/userfiles/files/tisuz.pdfIn PDF document text
  • https://pre-www.bridge-academy.com/uploaded/ckeditor/files/dinulirabumikovojonikixag.pdfIn PDF document text
  • http://www.hebrewforreadingcomprehension.com/content/47889715765.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613088f6c9243---zudugoxir.pdfIn PDF document text
  • https://olboihorgaszto.hu/editor_up2/ferifuxeziwefulaju.pdfIn PDF document text
  • http://vendsol.com/userfiles/file/nutaxujaliwojuzo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=super+mario+bros+ds+emulatorPDF 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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