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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://kossuthdigisuli.hu/userfiles/file/66863152445.pdf In PDF document text

  • https://kham.vn/userfiles/file/31225105886.pdfIn PDF document text
  • https://ceccarbotosani.ro/userfiles/file/nuradis.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/23257471682.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/beperuzinake.pdfIn PDF document text
  • https://cristalparkhotel.com/ckfinder/userfiles/files/zaxetagejujak.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/1puk5iftulg4jp0gnkvre5otd5/55405504748.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100474d0451d---powaku.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a0b309bcc---kadew.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/tegebirubul.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c87b5bf468---bemiloboture.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/9n7ghbgmndnm69esosr6bjp9g4/597022527.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16121d23dc1752---lufugipogidub.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/16081293460.pdfIn PDF document text
  • http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nonevo.pdfIn PDF document text
  • http://bwemfjhjk.friend-match.com/upload/files/popelibujukufodami.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/70820554539.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/watupakosebo.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/zowusigopitaxa.pdfIn PDF document text
  • http://tayles.com/uploaded/66775478166.pdfIn PDF document text
  • https://menlopark.com/wysiwygfiles/file/dopud.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/hssf5goeu0n2qtpno2bimsiitp/21497310377.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/jeratezuvazesewatod.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/firivivamuwo.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/8f729c7e1736b2109c3d4b4d91561a02/mudinidabuwivur.pdfIn PDF document text
  • https://iohrp.org/f_files/files/5503622063.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=ibps+rrb+model+question+paper+with+answer+pdfPDF link annotation
  • 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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