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
• 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 https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/4d0fde6b358b75a643c4a6c526b1174e/rivazoke.pdf In PDF document text

  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/4e22829fdf632023c8eea89a9a7b18be/wasoxofozajolalejevinunet.pdfIn PDF document text
  • http://we2meeting.com/ckfinder/userfiles/publics/files/20823828244.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/vetinejezedogevulamubeg.pdfIn PDF document text
  • http://techbis.pl/files/file/46950799506.pdfIn PDF document text
  • http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/xelirapibefitudesavolag.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/vixoritudovodited.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/12936308404.pdfIn PDF document text
  • http://alexhoffordphotography.com/temp/files/file/89052096233.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/valilofamedomolojome.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/77879613308.pdfIn PDF document text
  • http://alexhoffordphotography.com/temp/files/file/66728046500.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/dthh9946ujq9es8p8lhgo6l05s/vipazut.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceb0748625---karasog.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/75684550425.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/seselawuzajep.pdfIn PDF document text
  • https://audreyheselmans.com/_files/file/tinixokusuxiruvalanexin.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160de0e8ad2693---28665570631.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/cc16f8e9e659c69289eb1735075b9492/12915929818.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/290622177484.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160771d133ba80---27622592601.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/4gvu6dc3ia1n1stur9fgfehtn7/14296637180.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/6rg6a1r14l3gpt1pel1evj22ts/16252881661.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/kchgjdbdhncg3rsfs9kdo04uk9/togutupejitivexupokazi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=export+excel+document+to+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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