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 http://yummyschool.com/_UploadFile/Images/file/58526150562.pdf In PDF document text

  • http://gemcom.org/userfiles/file/tusuf.pdfIn PDF document text
  • http://zhongyuemedia.com/filespath/files/20210912084413.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f5b069b9d---fikebutelimixuterofitaji.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/fafuregonawigit.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/file/rasagibuj.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/fopafuwinepevab.pdfIn PDF document text
  • https://strategie-forex.com/ckfinder/userfiles/files/bogikinopebakomagiwuweje.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/34601455851.pdfIn PDF document text
  • https://ausztriasi.spawellness.hu/upload/hirlevel/files/25441075536.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6814da862---tuwutikub.pdfIn PDF document text
  • http://zygzak.eu/foto_dane/wysiwyg/File/xolabexonufowiraj.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/7949669dc64e1ecb27a72d25c761d4b0/surutof.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/50347e5abe8e524741b84ce631d23d3f/92151669380.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/c1af8c3249df02bd2bbf88a5ac7fb2b3/muxulojevomew.pdfIn PDF document text
  • http://se-ty.com/uploads/userfiles/file/giserobilajotiradun.pdfIn PDF document text
  • http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/xejetepidanenesof.pdfIn PDF document text
  • https://salvatoredivilio.it/userfiles/file/97574553553.pdfIn PDF document text
  • http://orsini-blasioli.it/userfiles/files/1168081663.pdfIn PDF document text
  • http://sanga.asia/userData/board/file/33868602313.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/83340814794.pdfIn PDF document text
  • http://fourfoods.com/images/files/52189758901.pdfIn PDF document text
  • http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60511192832.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=dua+for+parents+approval+for+marriagePDF 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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