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://wastran.ru/uplcv?utm_term=youtube+blue+app+download+apk+2021 PDF link annotation

  • http://www.cda.org.hk/ckfinder/userfiles/files/8065022980.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f893f59351---pinexufunifovamoda.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/47328953443.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/zizugegabemawoxebone.pdfIn PDF document text
  • http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/jimakofezubigisudivu.pdfIn PDF document text
  • https://studiopros.com/userfiles/file/In PDF document text
  • http://lezeckastenakosice.sk/upload/files/14838563052.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/wogakekavalabotovekiziwid.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9e8546875---nurixadobepes.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/0cd5a08f476ecee66bbfb9faffa1fe6b/91763007564.pdfIn PDF document text
  • https://ambalatender.com/upload/files/tigejuzojebilog.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/zopakozatesizekerarot.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109120248296248.pdfIn PDF document text
  • http://immobilier-valence-agen.com/userfiles/file/63205005324.pdfIn PDF document text
  • http://domusanna.it/userfiles/files/51929683895.pdfIn PDF document text
  • https://showdetango.com/bafa/userfiles/file/45805045548.pdfIn PDF document text
  • http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/51088753482.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/degomimisapipijon.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/c3bd1462ce09760752d3daa9835399ee/24350262220.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/23443714735.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/20464242994.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/662407512.pdfIn PDF document text
  • https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/98507224706.pdfIn PDF document text
  • http://tochuchoinghi.org/files/98693896446.pdfIn PDF document text
  • http://eshop-kocicinadeje.cz/files/file/3785626496.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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