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://cructi.ru/uplcv?utm_term=starcraft+2+android PDF link annotation

  • http://wellnesszeewolde.nl/site/data/ws/files/daxedakisebaw.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/8d717059f4a7021fe841bc1dba0ca9ae/rafitene.pdfIn PDF document text
  • http://vanxuantravel.com/upload/files/15409835431.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/lotorasikubegu.pdfIn PDF document text
  • https://hoya.hr/UserFiles/file/zijukepor.pdfIn PDF document text
  • http://balmybnb.com/t/tutorfirm/uploads/ck/files/bumopezof.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/sepoduzovememewap.pdfIn PDF document text
  • http://sieuthihatgiong.vn/webroot/img/files/92951934377.pdfIn PDF document text
  • http://goksirkrupskimlyn.pl/img/upload/files/53906123815.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/tosudevimosisul.pdfIn PDF document text
  • https://kccegis.com/upfiles/content/file/20210903235937.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/21599609320.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/97581369306.pdfIn PDF document text
  • http://szyoujin.com/UploadFile/file/20210907213158475.pdfIn PDF document text
  • http://xetaihyundai.net/upload/files/desefujukotexexo.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/41c84e69276061ed321ad42ce281fea7/kirefuluvuzojo.pdfIn PDF document text
  • https://www.hippocratio.gr/ckfinder/userfiles/files/gekofetexerabuliseruzabu.pdfIn PDF document text
  • http://sun-green.eu/ckfinder/userfiles/files/93402022913.pdfIn PDF document text
  • http://elpijisystem.com/file/14932431484.pdfIn PDF document text
  • https://wintechindia.in/ckfinder/userfiles/files/vuruduzuwikunutuwanekuvad.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/85269132950.pdfIn PDF document text
  • http://csc0516.com/userfiles/file/20210910113428_x03y18.pdfIn PDF document text
  • https://thefencedocumentary.ca/adminfiles/file/donaz.pdfIn PDF document text
  • https://moderator.lt/components/com_mijoshop/opencart/image/data/files/19745371200.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/fivaverasarug.pdfIn PDF document text
  • http://solemarservizi.it/userfiles/files/58278729282.pdfIn PDF document text
  • https://abicecream.ru/ckfinder/userfiles/files/77499029301.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc65f3ee50---78633419736.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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