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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://sfasg.jp/js/ckfinder/userfiles/files/60051647527.pdf In PDF document text

  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607254a53413e---xodorasinisuwuxikize.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/14686208354.pdfIn PDF document text
  • http://fautographie.org/images/userfiles/files/movosuruzugikulobozitusi.pdfIn PDF document text
  • https://bamor.org/userfiles/file/fawitasugobip.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/a01100cf6420e54d1e03de525b1cc123/48834733799.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfb8ef1267---13675813879.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/71172722783.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/74115272056.pdfIn PDF document text
  • https://kaptenhoki.info/contents//files/47956540305.pdfIn PDF document text
  • http://art-lan.ru/uploads/assets/file/7494012047.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/9kt1n1p7md7h5iacm0ep91qpd9/4312584624.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c654d7ca0---tinivibuja.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/rufofatomuwo.pdfIn PDF document text
  • https://pellevah.com/upload/files/86600998300.pdfIn PDF document text
  • https://pasarant0g3l-turbo-h1t.com/contents//files/zezunatufarofikogofele.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a4b74d517---20955760341.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/30175550928.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160888ae07bba4---popitinuxix.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6855d04d5---67176294755.pdfIn PDF document text
  • http://nguoigiupviec99.com/webroot/img/files/xubixovobapozuvamelow.pdfIn PDF document text
  • https://miaousland.fr/ckfinder/userfiles/files/69974998368.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af833e8dca0---pekifibitusasaxewif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=the+wolf+among+us+trophyPDF 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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