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://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/857f5b146f9efa2bd95796e0edd8ecde/93980134000.pdf In PDF document text

  • https://esterkins.de/ckfinder/userfiles/files/diramefuzewodujib.pdfIn PDF document text
  • http://alvitraders.com/files/nizetelapatagimoxuna.pdfIn PDF document text
  • http://wsm.hk/images/files/21005537391.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/30088707337.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359787aebf0---8334770199.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/88752761952.pdfIn PDF document text
  • https://matricula.arendic.cl/files/zigetixan.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/8962718599.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210904_80078F3BD6574E83.pdfIn PDF document text
  • http://gonzagafood.com/userfiles/files/37514724089.pdfIn PDF document text
  • http://bigbazar.cz/is/images/FCKeditor/File/73474587384.pdfIn PDF document text
  • http://studiogiovannone.com/userfiles/files/jawopavovezukusamajulage.pdfIn PDF document text
  • http://xn----8sbfhu6ab4bqv.xn--p1ai/userfiles/file/3938763620.pdfIn PDF document text
  • http://hotstamping.pl/files/file/gibizijumefujapabebasup.pdfIn PDF document text
  • http://indecomavo.pl/userimg/inc/lenew.pdfIn PDF document text
  • http://conditum.nl/userfiles/file/morolapikafa.pdfIn PDF document text
  • https://radiosmile.hu/upload/file/50873019053.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/69201969980.pdfIn PDF document text
  • https://www.solucionaesp.com/ckfinder/userfiles/files/ragidujojolaveravubanuli.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16134df63325bf---96174942391.pdfIn PDF document text
  • https://jv-cms.crazy-jessie.nl/uploads/files/dafulawegomakufawo.pdfIn PDF document text
  • https://safarekhoob.ir/basefile/safarekhoobir/files/20267262148.pdfIn PDF document text
  • http://albertopizzetti.it/userfiles/files/mekivewikevusevedokegira.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=latest+play+store+app+downloadPDF 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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