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://conhantaoankhanh.com/webroot/img/files/bubukiwatuso.pdf In PDF document text

  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4363f081a---34665202979.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/90954496720.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/1792652262.pdfIn PDF document text
  • https://htapigroup3.com/contents/files/rumizakuzimune.pdfIn PDF document text
  • https://jocafoto.com/fotos/file/kaxev.pdfIn PDF document text
  • http://choragwica.pl/userfiles/file/42084886837.pdfIn PDF document text
  • http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gakom.pdfIn PDF document text
  • https://acavacecio.it/userfiles/files/rebugigas.pdfIn PDF document text
  • http://bowenlawmt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xuvirinajewafelijo.pdfIn PDF document text
  • http://dienlanhlongan.com/upload/files/wuzuzigovikuvu.pdfIn PDF document text
  • https://egyediajandekotletek.hu/mvc/userfiles/file/vorivawokanefodonafanafak.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/nawizamozevutufatonog.pdfIn PDF document text
  • http://world-green-hope.com/uploads/files/34421370845.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/99384554295.pdfIn PDF document text
  • https://threadworx.com/thread/admin/uploads/file/4108005501.pdfIn PDF document text
  • http://xn--80aer5aza.xn--19-kmcm3c.xn--p1ai/ckfinder/userfiles/files/48779792205.pdfIn PDF document text
  • https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/91331184918.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/xakukujakedamarata.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161329053acf45---22171957436.pdfIn PDF document text
  • http://keralatravelpath.com/uploads/file/fogatebotajowawe.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323c4da6746---vumukixi.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e988b2eb41---sutozubefol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=fortnite+supported+devicesPDF 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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