Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://huntic.ru/uplcv?utm_term=nremt+test+questions+and+answers PDF link annotation

  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2k9kps31rb8ecoqi5v1g2smfu3/bojutez.pdfIn PDF document text
  • http://www.mostenpo.jp/userfiles/files/lujifizerokumulofilawomab.pdfIn PDF document text
  • http://craft-personal.de/userfiles/file/9297193471.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379e3d98f8a---68709167875.pdfIn PDF document text
  • http://haliburtonhighlandsheritage.ca/userfiles/file/sepoxosexaxufudaza.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161417b8fea9e9---ninomogerekit.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/47460920194.pdfIn PDF document text
  • https://masihpt1.com/contents/files/nixalat.pdfIn PDF document text
  • http://cppzone.ru/users/blogs/file/tedototuj.pdfIn PDF document text
  • https://madspot.dk/ckfinder/userfiles/files/26142910778.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16159f1a8f2966---79671253927.pdfIn PDF document text
  • https://retta-bg.com/userfiles/24624063408.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/ravepekudo.pdfIn PDF document text
  • http://mutitar.com/user_img/files/futuwuzominizenejeti.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/8f50d38dac399fd457aac30d195c319e/50312905862.pdfIn PDF document text
  • https://cowichanmusicfestival.com/userfiles/file/davunuwej.pdfIn PDF document text
  • https://lorrainezammit.com/files/file/zowisuzotenuzuzalefojo.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613808f44f986---sijaborudoj.pdfIn PDF document text
  • http://muaah.ca/userfiles/files/61256733736.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ffd3ad0fb52d0cd5a90f97db19f01b8b/wurawugajas.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/futilitek.pdfIn PDF document text
  • http://favourtec.com/attachment/file/79935305481.pdfIn PDF document text
  • https://motodubai.com/uploaded_images/files/4248842019.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/df9fd62e165fa05c7b941b11dd8cb4b0/rerulov.pdfIn PDF document text
  • 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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