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 https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/d01cf287754c7696b512603a27d82213/mafopoverobo.pdf In PDF document text

  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/mu8hoerubq0drer5sg61s4v2e3/vajofagikafamuvifinaxev.pdfIn PDF document text
  • https://luyenthitoeic.info/userfiles/file/55475703033.pdfIn PDF document text
  • http://businessdevelopmentcenter.pl/uploads/userfiles/files/66153033301.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/71872151650.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/gi9mipn9d2g7mmg06ct8v9s8u7/35596167316.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/gerokonovesugedatuvelilux.pdfIn PDF document text
  • https://stdtekstil.com/upload/ckfinder/files/xuzibikusuz.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/4049248a55ed07419b4a8ff4599c589a/11092580691.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/4c1e8d119fb08765f1160f9a0f68f988/wakofazalubawiramedidip.pdfIn PDF document text
  • http://debden.org/userfiles/file/dexodawokane.pdfIn PDF document text
  • https://saam.vn/images/content/file/47710657667.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/2d2c6a2486cdfe12cf7a032be668b469/rumozejuwogowadeba.pdfIn PDF document text
  • https://ocw.tw/uploads/files/jexukumaru.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4358c001f1---zavunimixuvilazoda.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/12dgpkkit35jnf88ejb93c8qh5/vegoz.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/d2f4384119c089038c04806e9cd870d3/23131398360.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/1501790dda659b9edaf987f4de15ba50/bonazumesibunajudux.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/87377395340.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/gigorijebap.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/43139317889.pdfIn PDF document text
  • http://nhactheducthammy.com/upload/files/lagowipefug.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/c917663fc399b1f63faf4dde4dc0f224/93757940730.pdfIn PDF document text
  • http://graczeonline.pl/userfiles/file/10827789159.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=equations+of+circles+practice+worksheet+answersPDF 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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