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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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://happycondo.leaddeehub.com/userfiles/files/niguvosubo.pdf In PDF document text

  • http://hcvitamin.com/webroot/img/files/midolaberokusebige.pdfIn PDF document text
  • http://www.saletime.gr/admin/fckfiles/file/34506563737.pdfIn PDF document text
  • http://industrialsupplies.pk/userfiles/files/16719803139.pdfIn PDF document text
  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/8795760492.pdfIn PDF document text
  • https://whatproperty.ng/ckfinder/userfiles/files/21064351250.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/23926728185.pdfIn PDF document text
  • http://e-junghan.com/userData/board/file/bidiseboxugifamasaxe.pdfIn PDF document text
  • http://alwaysshine.com/fileimage/file/92491974620.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/73394129499.pdfIn PDF document text
  • http://balalajka.nu/media/nejakesagepinosovupifum.pdfIn PDF document text
  • http://xn--aknmedical-yub.com/uploads/file/68957325829.pdfIn PDF document text
  • https://lifo-sea.com/ckfinder/userfiles/files/55784624883.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161333a5347d94---7907645715.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161387d615e871---17737233596.pdfIn PDF document text
  • http://www.rpv-drachten.nl/files/file/92481893728.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1b3ccf4ca28c3654c551994e5cb49b55/35117758587.pdfIn PDF document text
  • https://zhansq.cn/upload/file/57111677692.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161333a68b60fe---didoluzupiwomoxapu.pdfIn PDF document text
  • http://gemculture.com/userfiles/file/zefafudopukugutidinapode.pdfIn PDF document text
  • http://giadinhlaurenso.org/upload/files/50023486597.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/jutabidi.pdfIn PDF document text
  • http://chuabenhxuongkhop24h.com/images/files/rajanimeladerize.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/ab64251c941398ee36ba86b63be26a61/99649958929.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=amoeba+sisters+photosynthesis+video+worksheet+answersPDF 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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