Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://drafthe.ru/uplcv?utm_term=lac+1.9+apk PDF link annotation

  • http://serviphony.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/51019794864.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407e1a65cf1---xopurowejabuzapulebozu.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/zosam.pdfIn PDF document text
  • http://enewind.com/pliki/file/79760550626.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/3375334071.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/k7nh2q2222rt115uofmpj3lqd6/37840596719.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/807vrq1vpad5d7f6o05660saf6/33463941268.pdfIn PDF document text
  • http://parikshitconstruction.com/uploads/18833962572.pdfIn PDF document text
  • http://jonme.net/ckupload/files/mowudinisero.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/peroninovuwabijuruvadis.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/gofipuvigeloruwiv.pdfIn PDF document text
  • https://successalpha.team/upload/files/15407415417.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/q5uecpd63f2mbfhll7obv4avt4/tozasarov.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfd5996195---64340850435.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406b637edee---17719986008.pdfIn PDF document text
  • https://travelworld.ro/userfiles/file/52610335871.pdfIn PDF document text
  • https://dakhoathienhoa.net/images/files/87079027449.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b7987dd8e---8360073211.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/lizaje.pdfIn PDF document text
  • http://tzsunup.com/upload/29679583864.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/sotufomufuworokimen.pdfIn PDF document text
  • http://www.smartusb.info/images/library/File/95177749835.pdfIn PDF document text
  • http://parfumland.sk/upl/89549026134.pdfIn PDF document text
  • https://perfumes.dropship-tracking.com/userfiles/files/pitupajidolusu.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/27270e22347885efc0450f7e8ade2f8f/85473486458.pdfIn PDF document text
  • https://paintingwithapassion.com/nbloom/fckuploads/file/15993377539.pdfIn PDF document text
  • 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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