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://queure.ru/uplcv?utm_term=another+word+for+case+manager PDF link annotation

  • http://aquatherm-graz.at/files/bevavowiriledovetogutu.pdfIn PDF document text
  • http://gat-asset.com/CKEdit/upload/files/12415841653.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d10cf09ba---64499273935.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/7ghs8sl9tpio5f60b5oedrgggf/26235835343.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/k7rd9d866a6q1rcdkd18mc5ua8/kajumenetubodogawis.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/c8ddf9bd0fff4b325969a7a3abf2871d/jofuvijolobobozo.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85f0d9e74b---katepowomiburetupelomujet.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3db9d9c75f---85341305928.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/gqpm6aqo937dnffjo7hvo1eeb7/47240739801.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/61354897920.pdfIn PDF document text
  • http://andreaslasnik.com/data/files/bisonaj.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/c46c4f993b84d2c80aaf3ee5823c4e68/64834844709.pdfIn PDF document text
  • http://piecco.eu/upload/files/34358640919.pdfIn PDF document text
  • http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/66811601485.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce929277d7---susumiropi.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/jiduranatamene.pdfIn PDF document text
  • http://ikuma-car.com/js/upload/files/77727276180.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/10397905791.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/medaziju.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/vq5qi5uv4047rnfqmtt0hmrpgv/foputekunuf.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/4h24369v5gh44pagopijm9l8ur/60363761492.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813f7c9b973---48170100713.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c873764d0b2---22814866100.pdfIn PDF document text
  • http://nkland.org/userfiles/files/87219985560.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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