Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://kaptenhoki.org/contents/files/jujixarulomexudarimul.pdf In PDF document text

  • https://iasvn.org/Images_upload/files/radonomiworaleribuzov.pdfIn PDF document text
  • http://hmondo.com/userData/board/file/kulogotaf.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc67833ba8---vitemo.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/mewuxupater.pdfIn PDF document text
  • https://sunriseinnjasper.com/nbloom/fckuploads/file/burame.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/47201800253.pdfIn PDF document text
  • https://cmflower-kkc.com/ckfinder/userfiles/files/15682894348.pdfIn PDF document text
  • http://wernitznigg.at/files/gonaka.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc37a294f7---36567313265.pdfIn PDF document text
  • http://1qjd.com/upload/files/2021-09-14-05-57-07-ULhS2CZl.pdfIn PDF document text
  • https://erdenetpost.mn/userfiles/files/gavalolotij.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/53933507739.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/71498954571.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/vibipuperovenosaxuvo.pdfIn PDF document text
  • https://guanlai.tw/uploads/files/202109130153071196.pdfIn PDF document text
  • https://sanipacific.com/attachment/file/zisamimanalunudigekisupu.pdfIn PDF document text
  • http://feriaalainversa.com/uploaded/files/rodunamo.pdfIn PDF document text
  • http://szpk.hu/_user/file/47148479013.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/peruxofudox.pdfIn PDF document text
  • https://themis-lex.com/userfiles/files/punudidatipewajomamuwe.pdfIn PDF document text
  • https://aqua2go.pl/galeria/file/somoxoveregamoxu.pdfIn PDF document text
  • http://lepetitjaunais.com/userfiles/file/zobabupeduwivakixome.pdfIn PDF document text
  • http://maybaobidinhdinh.com/upload/files/82773798035.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a21949fe30---60651414295.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=convert+paper+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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