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://pistant.ru/uplcv?utm_term=download+videoder+apk+latest+version PDF link annotation

  • http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/lulumigatijedala.pdfIn PDF document text
  • http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/badamevufijaxuramuket.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/61866564036.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/18366909516.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/48638137566.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/33277579106.pdfIn PDF document text
  • https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/gagakerumopomidiweko.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/tixijakapi.pdfIn PDF document text
  • http://ilsungwarehouse.com/userData/ebizro_board/file/47294863424.pdfIn PDF document text
  • http://movediary.com/userfiles/file/gifatubewefitimaw.pdfIn PDF document text
  • https://cauthinh.com/luutru/files/mizazenelixagaragu.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16142e5b8b6bfa---76947167117.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/n4tpnub2p6mvhs1738o56r6co2/berofajedegelesip.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/kifabudirudofilowokelobi.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/45805288493.pdfIn PDF document text
  • http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/30256806071.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/82730061844.pdfIn PDF document text
  • http://arcos-eff.it/userfiles/files/lodaz.pdfIn PDF document text
  • https://aspirans.com/files/file/26708404085.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210918_2DB55E45E11DA853.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fbb70b0a8e---22748918932.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/henjnrffur4iam1injj7c15c77/75042960848.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/52357844576.pdfIn PDF document text
  • http://patanjali.zohukum.com/ckfinder/userfiles/files/11491905356.pdfIn PDF document text
  • https://plasterglasgow.com/fwd_docs/file/82255473460.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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