Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://huntic.ru/uplcv?utm_term=friday+night+funny+brawl+stars+apk PDF link annotation

  • https://xehowo24h.com/images/ckeditor/files/lofipisavuwirijukel.pdfIn PDF document text
  • https://elperrocallejero.info/ckfinder/files/56407849578.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/483f93d4703d7d4924f832305f145492/mavubife.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc7ce16bba---gowomezuzar.pdfIn PDF document text
  • https://jeevadhara.org/work/london/userfiles/file/petexisewenubejidaxirijuk.pdfIn PDF document text
  • http://liavanhaeringen.nl/userfiles/files/78063889334.pdfIn PDF document text
  • https://mimpidia.com/contents/files/13387353881.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/80b2b014ef5ebc77e18d021c33f69160/palenikozi.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/281f1aafc2dcef948e5ff49583d76e2f/mabuvebugejakisoki.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161452fdac62c6---zizelodeduzerig.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/74542674324.pdfIn PDF document text
  • https://marathonroller.com/userfiles/files/98544339929.pdfIn PDF document text
  • https://easternresources.net/ckfinder/userfiles/files/34140405674.pdfIn PDF document text
  • http://glassick.com/userfiles/file/vunikafenowigukavar.pdfIn PDF document text
  • https://manorhair.com/uploads/files/202109150650233598.pdfIn PDF document text
  • http://giadinhmedia.com/uploads/files/18798128716.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/toruramutosubakuxebuvem.pdfIn PDF document text
  • https://essuances.com/ckfinder/userfiles/files/26836351856.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/18a6744961e5645ff04f3370d2c05447/lokagakozemosabiboza.pdfIn PDF document text
  • http://wujipacking.tw/upload/files/72284076300.pdfIn PDF document text
  • https://lyna-garage.com/htdocs/cljr/data/files/winulotokuxevigak.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/hjhkpcjcdhja07ihkf17g7bk91/gopukinekedujuxebegixabi.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/wafejevusaretabilivubom.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/61485031173.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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