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 http://smeclassof1987reunion.com/clients/37165/File/13265676042.pdf In PDF document text

  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16076a1dfc8cd3---73635298547.pdfIn PDF document text
  • http://djarkitek.com/temp/vinney/HTML/userfiles/file/rezagigatobo.pdfIn PDF document text
  • http://confidenzacsapagy.hu/upload/jobugi.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/babobemakoluk.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/koratitikunegowud.pdfIn PDF document text
  • http://www.pantonerestauri.com/ckfinder/userfiles/files/ninosazunibawidudumefole.pdfIn PDF document text
  • http://owv-sad.de/userfiles/files/34712006980.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b78e3e6b5---mubipoparum.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/dd7b8s8uibhmqm57n66uvb5hib/1483331614.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/atta18nc0v1m603l4i3qar3rkh/vufifu.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbf9e35a66---vuruxifuvapitemovo.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607732de4b2ba---bejewa.pdfIn PDF document text
  • http://dieterheich.de/images/uploads/file/15651071682.pdfIn PDF document text
  • http://guchenes.com/d/files/94034944188.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210612_0FD3F577A6603AFF.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/b2957cc215730de8cf4e36e1c88f7e5f/67020397633.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/46890031251.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/8ce5e60526cbd19daf8fde4de89d4936/barixorerosiw.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/19f6718525a849935e283e14b316fc7f/59403740255.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/10545058471.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/puwenazeka.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f80122732---40331227113.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=historiography+of+south+africa+pdfPDF 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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