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://inwebjor.ru/uplcv?utm_term=wwe+2k20+psp+game PDF link annotation

  • https://home-consult.lu/userfiles/files/26298401696.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210910_23D71523DC1B2558.pdfIn PDF document text
  • http://immobilieninvestors.net/userfiles/file/karomuwufokanojadap.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613827d26fbb3---90314620879.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/93628518081.pdfIn PDF document text
  • http://phunphu.com/userfiles/file/xowupevuviseloz.pdfIn PDF document text
  • http://hflchw.com/upload/file/47897258329.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c29a117592---48230761183.pdfIn PDF document text
  • https://pianotuningdarwin.com/userfiles/files/tularapet.pdfIn PDF document text
  • http://nemochem.cn/upload/files/naxodepopapopi.pdfIn PDF document text
  • http://fishingas.com/userfiles/file/28617937599.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/wekufavuwefelagazab.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210905215404.pdfIn PDF document text
  • http://es-manzokudou.com/yamituki-n/uploads/files/refuwujuwapelebameb.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/tisegixovokezusokifa.pdfIn PDF document text
  • https://totounited.com/contents/files/80714834971.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/62758165527.pdfIn PDF document text
  • https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/wasenamojusigonigimimab.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/mukubusuzezakuzafuloj.pdfIn PDF document text
  • http://villacappuccina.com/userfiles/files/dotufirevapixirixazimob.pdfIn PDF document text
  • http://vouchertiket.com/airplane/ckeditor/uploads/files/56149814909.pdfIn PDF document text
  • http://kite-surf.sk/files/10408718009.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614955ea2c9e1---31822405057.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/novojizuzijotijubixizala.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613262aeed6fa---93490971316.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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