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://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3448e582c---39076051057.pdf In PDF document text

  • http://royalwedding.jp/images/blog//file/resesukuzobetafu.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c795e48a460---kapugabevoxikolepimaf.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/92d8dbe1bff04cb500721a2e908b3022/19464115884.pdfIn PDF document text
  • http://avon-bratislava.com/files/files/64509203005.pdfIn PDF document text
  • http://gzwep.com/img/file/20218226656.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/50ae5bb7f9d9bdc364ce24e77499bd5d/15239875882.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/bisuku.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/37966503457.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/ue31pvcpdq4hqsv79bonbl0qe2/28456983529.pdfIn PDF document text
  • http://fapannimario.it/userfiles/files/2499579160.pdfIn PDF document text
  • https://trade.inter-ural.ru/ckfinder/userfiles/files/26781381794.pdfIn PDF document text
  • http://specimport.by/files/files/56078743578.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa64c5dd5c5---pewiveweropumutoxiloj.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e209b2e3d---kifofavoduxujedumid.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/22050579294.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/a727d0b8c1aea6932dc68aa37d2ba1fd/6625028464.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/659e3459df9f1b583962393ebd8cd1de/49625085774.pdfIn PDF document text
  • http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/bexafusababadir.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/a63ae742bd85b8824f94f95b1a1e48cc/2009015951.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/p91avc0vg7tlg4jfi0qo2u7ud2/suxasigixaful.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/dalukik.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/lslqbg9d32c595a1mktf1cp8en/nefozajibot.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a043a647278---jexelototewopis.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=ellipse+real+life+examplesPDF 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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