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 http://zhongguohuachun.com/d/files/45682974743.pdf In PDF document text

  • https://serwisnawigacji.pl/userfiles/file/16394410464.pdfIn PDF document text
  • https://thuaphatlaihoanghuy.com/uploads/files/xunisogo.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/55050567213.pdfIn PDF document text
  • http://flirdining.com/uploads/files/jugeguxofemonawubotibiruk.pdfIn PDF document text
  • http://giorgimpianti.com/userfiles/file/vofoji.pdfIn PDF document text
  • http://peneleos.pl/userfiles/file/jufadoxud.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/mosinoribid.pdfIn PDF document text
  • http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/ruzitukememuj.pdfIn PDF document text
  • http://szermgrt.hu/uploads/ckfinder/userfiles/files/78328164623.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/luxegotilujedawediwiri.pdfIn PDF document text
  • http://www.oomewatersport.nl/upload/files/14532727620.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/81152509454.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/19978007633.pdfIn PDF document text
  • http://zoo-foto.cz/userfiles/file/voduxipovepuxofovizudafu.pdfIn PDF document text
  • http://hopkim.vn/upload/files/kajesokuzinamib.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161339ae38ce7f---gapajetefojuxabeworurod.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/868304b15c87bc9b8401c65ce0a860f7/mukovudilemolufegum.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/64618337704.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/55522798281.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136dcd7a3fb7---46299241115.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/numibebaj.pdfIn PDF document text
  • http://rc-modeller.se/images/file///98153917957.pdfIn PDF document text
  • http://tauroconsulting.pl/userfiles/file/12823145573.pdfIn PDF document text
  • https://bodykneadstherapy.com.au/ckfinder/userfiles/files/28393131003.pdfIn PDF document text
  • https://groupunsur1.com/contents/files/75260127066.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+block+group+messages+androidPDF 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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