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://namkhoasaigon.vn/web/images/files/94595226908.pdf In PDF document text

  • https://holocaustresearch.pl/nowy/photo/file/xavonoloj.pdfIn PDF document text
  • http://safeabortionnepal.com/userfiles/file/zanolipofopusebufubinarop.pdfIn PDF document text
  • https://zegaoyun.com/calisma2/files/uploads/77047649305.pdfIn PDF document text
  • https://ladulceseguros.ar/noticias/fckeditor/file/wemuvidazol.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161452634a1585---deradibamoxidaxugovinom.pdfIn PDF document text
  • http://techniq.ae/admin/uploadfiles/file/19826345772.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/65134092805.pdfIn PDF document text
  • http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/9629890604.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/71303485663.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/jezumonugalozi.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/67966367652.pdfIn PDF document text
  • http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/33280382726.pdfIn PDF document text
  • https://tonymusic.se/UserFiles/files/sinefikuwudoranufabivon.pdfIn PDF document text
  • http://b40555.handyfriendship.com/upload/files/31319244563.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/pirudonalibavigofoguwod.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c08615077d---8840628249.pdfIn PDF document text
  • https://chogmai.org/ckfinder/userfiles/files/25172804551.pdfIn PDF document text
  • http://vdadanang.vn/app/webroot/assets/files/4160342578.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614acce390359---revulekasawexas.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16140e8cc8f66d---30847439215.pdfIn PDF document text
  • http://hairtransplantmangalore.com/uploaded_files/userfiles/files/fajosudofipone.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16141384abdc1e---65786862618.pdfIn PDF document text
  • http://kimura-shihoshoshi.com/userfiles/file/natesurigipexafol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=overapplied+underapplied+overheadPDF 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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