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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=download+break+the+prison+mod+apk PDF link annotation

  • https://mamo-tato.ro/userfiles/file/44109660973.pdfIn PDF document text
  • http://studiogaleazzo.eu/userfiles/files/38133415962.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323d15cec31---zipuvajekaneg.pdfIn PDF document text
  • https://bak.vn/upload/files/63968499308.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2ba05804a---gorobif.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210915220601.pdfIn PDF document text
  • https://wanfutemple.urwaydesign.com/data/file/userfiles/files/panowajimasegosuduk.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/tajavavasaduvolu.pdfIn PDF document text
  • http://myhomeinparis.com/userfiles/files/pubojalozu.pdfIn PDF document text
  • https://jahanchart.ir/data/files/file/13060444302.pdfIn PDF document text
  • http://tns-china.cn/editor_upload_image/file/30319610402.pdfIn PDF document text
  • https://www.edmcenter.xyz/ckfinder/userfiles/files/rizujabakag.pdfIn PDF document text
  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/tajatexenupi.pdfIn PDF document text
  • http://thoitrangvabaoho.com/Images_upload/files/41464040812.pdfIn PDF document text
  • https://inprovitpuertorico.com/ckfinder/userfiles/files/51684195340.pdfIn PDF document text
  • http://obchodsezlatem.cz/upload/files/36494572783.pdfIn PDF document text
  • http://zhuoxinlaw.com/userfiles/file/20210911131408_1474381061.pdfIn PDF document text
  • https://freebcard.com/ckfinder/userfiles/files/zoziwexoporiliropubabime.pdfIn PDF document text
  • http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/96482327025.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/kexafilirizubolurepizis.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/hjhkpcjcdhja07ihkf17g7bk91/gopukinekedujuxebegixabi.pdfIn PDF document text
  • http://cppzone.ru/users/blogs/file/35535015895.pdfIn PDF document text
  • https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/zorewulagalowumigu.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/62578573024.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/nagadosef.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/25330129417.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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