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 https://ketchas.ru/uplcv?utm_term=inter+1st+year+english+textbook+pdf+download+ap PDF link annotation

  • http://aranysolyomfeszke.hu/editor_up/85276883553.pdfIn PDF document text
  • https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/98192524421.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/kejirebaroketip.pdfIn PDF document text
  • https://anninhsieuthi.online/upload/files/matetowot.pdfIn PDF document text
  • http://wannawwannie.pl/userfiles/file/75075224419.pdfIn PDF document text
  • https://puppometalli.eu/file/sirolabimomivagumezudaw.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/vakovarajavusiniduwokafo.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/30eaab0195c65328d88c2e96f5fc7c13/51276784881.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/332ea99b2296acba7ec9ed3c4ab5a75f/tudedufeva.pdfIn PDF document text
  • http://bi-acaovo.com/upload/files/35405149422.pdfIn PDF document text
  • http://artside.org/data/temp/file/63093441451.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/ob98vj88hp111r3k8fo4b8eb36/xejowemu.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160826dc7905c7---56764204136.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/f42907b37938ce27e05433478edd5248/zosunoleguxekizef.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725bd1a7194---42375446469.pdfIn PDF document text
  • http://energo-market.ru/sadm_files/tijujusolapuw.pdfIn PDF document text
  • http://kurpinar.com/img/userfiles/files/53315754424.pdfIn PDF document text
  • http://omgmediatank.com/userfiles/files/30643201222.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/zevuvisegadujegukesit.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/f62ce808e7f753392d24890c5c4255ba/zunimokazufedanumi.pdfIn PDF document text
  • https://peterdegendt.be/file/93115812819.pdfIn PDF document text
  • http://ahchala.com/img/file/bazivelu.pdfIn PDF document text
  • http://proxkimya.com/resimler/files/72865543442.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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