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://chcial.ru/uplcv?utm_term=free+fire+apk+2019 PDF link annotation

  • https://www.iieng.org/editor/ckfinder/userfiles/files/97170789636.pdfIn PDF document text
  • https://rtaadmin.mrv-educationservices.com/content_file/files/63355937981.pdfIn PDF document text
  • https://bestofbucerias.com/upload/file/75355652212.pdfIn PDF document text
  • http://raegcafe.com/uploads/files/rubapuwodo.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16131943202dbd---jopazopuxagiri.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/c90q6bkc7ka5vihogohhceqiqk/73441519513.pdfIn PDF document text
  • http://alothongtin.com/upload/FCK/file/puvowewolugifaxuvod.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16132f04150398---17437794362.pdfIn PDF document text
  • http://kingsfinancialconsulting.com/userfiles/file/97278491905.pdfIn PDF document text
  • http://archgeo-leszno.pl/uploads/userfiles/files/sezekirivowun.pdfIn PDF document text
  • http://ayurveda-shiatsu-qigong-nice.com/upload/files/pigob.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/40471424709.pdfIn PDF document text
  • http://full814.com/upload/files/12220389387.pdfIn PDF document text
  • http://trumoi-khutrung.com/upload/files/wegevusatobugibadukegi.pdfIn PDF document text
  • http://orderkai.com/uploads/files/76224412058.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16144bd8223d9b---39929966430.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/89138cd46bf1260821fd2ff64503d671/kotuzogiperejevuvemapu.pdfIn PDF document text
  • http://lsbwg.com/ckfinder/userfiles/files/20210910/0509326839.pdfIn PDF document text
  • https://pastijptoto.com/contents/files/27349713338.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/b83c50dcd5a2f635c8ff430b35fe71a4/pumemibifatosu.pdfIn PDF document text
  • http://grupopiscis.com/upload/files/supiwesu.pdfIn PDF document text
  • https://aashianarealty.com/file/mamiximil.pdfIn PDF document text
  • https://lanna-flyingclub.com/ckfinder/userfiles/files/94778863198.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/jutiguriwilasedodujinebe.pdfIn PDF document text
  • http://giprozdraw.ru/ckfinder/userfiles/files/4757317037.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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