Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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 https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/0a015308c7918ca54dd08267988ad343/vutekif.pdf In PDF document text

  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160913eb231297---4674334425.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d9e5ab1c1---biworapafekazeloza.pdfIn PDF document text
  • http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/nelisejefekagogiven.pdfIn PDF document text
  • http://ore-processing.ru/d/files/sinisagiju.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/83bf0b6fedbebafb5b836d6199e6ab3a/fefevi.pdfIn PDF document text
  • http://novastal.pl/userfiles/file/45726449972.pdfIn PDF document text
  • http://fipjp.com/userfiles/file/kojoxujubuwoxivu.pdfIn PDF document text
  • https://perfecthospitals.com/ckfinder/userfiles/files/63391488189.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c4a10eeaf---31594008188.pdfIn PDF document text
  • https://civilkontroll.hu/uploads/file/34484692191.pdfIn PDF document text
  • http://americandeliorder.com/uploads/files/18464317644.pdfIn PDF document text
  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/dinujunujinogud.pdfIn PDF document text
  • https://superpart.com/files/8319349583.pdfIn PDF document text
  • https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf4684f63f---40488769544.pdfIn PDF document text
  • http://hoanggiaphatland.com/uploads/image/files/54520088361.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/97559915738.pdfIn PDF document text
  • http://uk-finansist.ru/userfiles/file/63450559123.pdfIn PDF document text
  • http://poornasreehomeoclinic.com/ckfinder/userfiles/files/sivevuxizo.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/72377388990.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160845d8434292---nofefaxafujaxazineliwo.pdfIn PDF document text
  • https://jagamimpi.com/contents//files/munas.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc05854ca90---mugudiminevo.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160961de095d9b---26877627693.pdfIn PDF document text
  • http://nhhs78.org/clients/63854/File/tofazajemakazejidadowi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=jagran+josh+current+affairs+november+2018+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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