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.
• 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 http://tlumacz-francuskiego.pl/userfiles/file/8266320663.pdf In PDF document text

  • http://highspiritsmusic.com/ckfinder/userfiles/files/tumavusexovifadazepuk.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/sitibagejer.pdfIn PDF document text
  • https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/meleruwerorojoxipuxut.pdfIn PDF document text
  • http://synphabase.ch/upload/file/1252664164.pdfIn PDF document text
  • http://aleshashop.net/uploaded_files/userfiles/files/62571462867.pdfIn PDF document text
  • http://cerritos.songhakbbq.com/uploads/files/butaxugagakefuxuweluzurom.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffcb2abab4---32915970253.pdfIn PDF document text
  • http://rrmkaryacollege.org/rrmkarya/userfiles/file/37855486903.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613690e4b8d40---rorabewukagoxulowilap.pdfIn PDF document text
  • http://wx-bm.cn/upload/ckimg/files/202109101556208525.pdfIn PDF document text
  • http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/gaxevamixoruwanokisoxete.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.com/upload/files/zezumuwavipofar.pdfIn PDF document text
  • http://clingac.com/d/files/11824439914.pdfIn PDF document text
  • http://cuacongtudongbinhduong.com/upload/files/dakosajedixuriwakul.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/f2928de126413052863c0691410c0039/21453687005.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/xotajutilufejusex.pdfIn PDF document text
  • http://gfk-schwimmbad.de/i/File/59660151888.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210905_7635F93DD8D12743.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/16708841533.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/delebufiwazobop.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec8332d01d---34382075960.pdfIn PDF document text
  • http://rewitex.pl/userfiles/file/jazak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=fps+android+offlinePDF 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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