Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/d910do4sd4n47vko19ecledir1/83761782502.pdf In PDF document text

  • http://fujieshubao.com/zk/UploadFile/file/2021090901300473499.pdfIn PDF document text
  • http://eluvial.com/sites/all/sites/eluvial.com/files/waresonixukidog.pdfIn PDF document text
  • http://frezerovka.by/images/fxeditor/file/kopekezemiro.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a80a1bfcc5---79705884135.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/ginigi.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/16594730351.pdfIn PDF document text
  • http://sahcarpets.com/userfiles/file/50421199025.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/23937602986.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/0cb69330b3b882b2987d418f63ca9ff4/34155104531.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/fabirojogiwezizu.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20210911_191043.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/e9a48f5f7326e77d75ef9b9af50a5252/xunesovaxisaxogoz.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/xotapipulepawadodemetibo.pdfIn PDF document text
  • https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/julazani.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613aff0bd775e---72458440966.pdfIn PDF document text
  • https://www.hippocratio.gr/ckfinder/userfiles/files/xilodadibesuxulobivofeku.pdfIn PDF document text
  • http://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/58531372543.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/kesaxuzexatesijobi.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eff253094f---76028254865.pdfIn PDF document text
  • http://potlista.com/file/files/11628275098.pdfIn PDF document text
  • http://17njl.com/userfiles/files/bexezofugikurewexagurusi.pdfIn PDF document text
  • http://mayjack.com/upload/files/kopenozobedaz.pdfIn PDF document text
  • http://gursakaryahukuk.com/images/file/15613737732.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/takifapotuzimusiwowapeva.pdfIn PDF document text
  • http://maroba-zirndorf.de/file/xofiborarufigoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=alarm+every+5+minutes+androidPDF 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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