Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://infrive.ru/uplcv?utm_term=black+widow+streaming+hd PDF link annotation

  • http://longarmquiltacademy.net/fckeditor/userfiles/file/76541028617.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16135bb876bdce---63020730044.pdfIn PDF document text
  • http://investin-khj.ir/ckfinder/userfiles/files/47851690720.pdfIn PDF document text
  • https://www.nissan-utilitaires-melun.fr/ckfinder/userfiles/files/17625172559.pdfIn PDF document text
  • https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/lesatemisami.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/tinalo.pdfIn PDF document text
  • https://mobiligennari.com/userfiles/file/lakitolipet.pdfIn PDF document text
  • https://alpinashop.rudy-ra.com/files/gegezedikugometo.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/pusixiliwasukibowazak.pdfIn PDF document text
  • https://latgalesamatnieki.lv/files/file/82850923120.pdfIn PDF document text
  • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/81596636324.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/detijibelexawijoposazex.pdfIn PDF document text
  • http://anabakorea.jp/userfiles/file/92009741348.pdfIn PDF document text
  • https://mclandpin.com/calisma2/files/uploads/sabewet.pdfIn PDF document text
  • https://snapstudios.ca/userfiles/file/8550968059.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-9-14/20210914055932568642.pdfIn PDF document text
  • https://sona3elkhair.com/userfiles/file/kaxujegafudujazegexixux.pdfIn PDF document text
  • http://jtravel.clickis.kr/FileData/ckfinder/files/20210916_390534BE1CDB0449.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/59236385853.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/zikiwolibuviroxoxo.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/22381186788.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5d955d829---fabaxusa.pdfIn PDF document text
  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/43017871284.pdfIn PDF document text
  • https://zlato-eu.cz/upload/files/keboxofexujolefum.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/61cb33077d1a90d138e06b3bd6af8be9/muxubajakatejolesarapo.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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