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://drafthe.ru/uplcv?utm_term=gcam+apk+note+20+ultra PDF link annotation

  • http://gelinyuanyi.com/upload_fck/file/2021-9-2/20210902135750628352.pdfIn PDF document text
  • http://giasuminhtam.com/Images_upload/files/54512733032.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16137f54b0852a---21792691361.pdfIn PDF document text
  • http://nakloboucku.cz/uploaded/file/suxeni.pdfIn PDF document text
  • http://webinaris.eu/ckfinder/userfiles/publics/files/paraxezosewaveferad.pdfIn PDF document text
  • https://dusunceokulu.net/resimler/files/kimutebimanaw.pdfIn PDF document text
  • http://dzirerealtors.com/uploads/pupilidadokumodiwed.pdfIn PDF document text
  • http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36990057743.pdfIn PDF document text
  • http://runbo.net/upfiles/files/16312284922895.pdfIn PDF document text
  • https://hijaulumut.com/contents/files/zopivolevupafo.pdfIn PDF document text
  • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/64798525843.pdfIn PDF document text
  • https://dermatologie-francophone.com/userfiles/file/nonutixilaxisoxuzigukeni.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/45494844458a02bb606fac62d4ed022c/88219522119.pdfIn PDF document text
  • http://concilianavarra.com/userfiles/files/jovaradedi.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/kisepapa.pdfIn PDF document text
  • http://speakingaboutnetworking.com/ckfinder/userfiles/files/48699110124.pdfIn PDF document text
  • http://boothbayharborshipyard.com/userfiles/file/20982276357.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/41602343618.pdfIn PDF document text
  • https://autonoleggioassereto.com/file/95110324255.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614484575ef20---31916996287.pdfIn PDF document text
  • http://dream-mebel.com/pic/file/42158166185.pdfIn PDF document text
  • http://inruho.ru/ckfinder/userfiles/files/fodetepuromuwavedife.pdfIn PDF document text
  • https://digiconelectronics.com/media/melebirif.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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