Malicious PDF — malware analysis report

Heuristics 8

• 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
• 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://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c750bd7952---vojikop.pdf In PDF document text

  • http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/2021652310439029.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/c9feuusbo0o17uejjeoedunb7r/jumifewavidanifekorebilej.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/2f7c8b6219a959fc65e3ed8f4552f175/jazasadupuneviged.pdfIn PDF document text
  • http://deforma.it/userfiles/files/nadefoxumi.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608437569de54---relaborajilaxatiwaravokim.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/5aa3b5oh957dkrackipd3m3i7q/961837062.pdfIn PDF document text
  • http://mcap.cz/images/uploadedimages/file/50942796673.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/fetugugupenisixamotagix.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/35828547475.pdfIn PDF document text
  • http://planbmedia.hu/files/zikowa.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093d87abaf3f---29802583223.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/7f3f95930d1045f434242b1a973b06ce/xekuwaletomuduwer.pdfIn PDF document text
  • http://bizbecho.com/pa/trainstation/uploads/image/file/36632818903.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071151cd7f70---zupusenivulano.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cebbeb77b9---xuluxogokixadugidog.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9bfe0e7c7---nonemabijuke.pdfIn PDF document text
  • http://thebrownsfamilyreunion2008.com/clients/81208/File/46992266992.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/jenolopurubifugoso.pdfIn PDF document text
  • https://airshow-bg.com/file/rawurenukizut.pdfIn PDF document text
  • http://gramercy-grand.ru/files/file/53558302384.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/fuwobidejego.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/32532799162.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=benefits+for+pensioners+over+70PDF 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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