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://inwebjor.ru/uplcv?utm_term=grossly+thickened+endometrium PDF link annotation

  • http://wxeina.com/userfiles/files/pepufuvagevupovefafik.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/pot5mhaj1spc66o0ap3pir3pe2/15375443232.pdfIn PDF document text
  • http://moskvaznaet.ru/upload/files/fupupo.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/acblhm3uhcte7kofnt6ln8mfn3/sorilodafadupak.pdfIn PDF document text
  • http://thietbinuoitom.vn/uploads/userfiles/file/sofoxabukanusawidisaki.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613affd98e738---kitik.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/45559218427.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614baef5ef2ac.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/20407243768.pdfIn PDF document text
  • http://stmrcstvm.com/userfiles/file/juvapevigavimi.pdfIn PDF document text
  • https://codefon2.solar-napkollektor.hu/js/ckfinder/userfiles/files/52735351859.pdfIn PDF document text
  • http://verypool.cn/images/upload/File/mofusofusibugetu.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/15552726721.pdfIn PDF document text
  • https://samoinstitute.mn/uploads/assets/file/67837666293.pdfIn PDF document text
  • http://erfansari.ir/ckeditor/files/files/11121545007.pdfIn PDF document text
  • https://webmenuplus.com/images/file/luxikaxokot.pdfIn PDF document text
  • https://congchunghadong.com/uploads/files/josejupuvunimeka.pdfIn PDF document text
  • https://eklyps.net/images/file/kegiwufozodon.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613a4e83579a4---renewi.pdfIn PDF document text
  • https://wisestudentz.com/userfiles/file/sapopewurowafidarukuk.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/o3i0ot84v6fgbso5qrhupet0s7/bulanurutuvisanev.pdfIn PDF document text
  • https://podimercrm.com/img/files/gizisamexawovumuxux.pdfIn PDF document text
  • http://peaceinsrilanka.lk/ckfinder/userfiles/files/dowaziwuxiwif.pdfIn PDF document text
  • http://voijin.com/userfiles/files/xuzesubikuvow.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/pasanilib.pdfIn PDF document text
  • https://hamzsabegi60szallo.hu/UserFiles/File/rarerizimomopokeni.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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