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
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• 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://synerhu.ru/uplcv?utm_term=five+nights+at+freddy%27s+1+download+apk PDF link annotation

  • https://jamurgoreng.net/contents/files/zusanifepafaxiwew.pdfIn PDF document text
  • http://okvin.org/userfiles/file/lipofumijamixojajalum.pdfIn PDF document text
  • https://groupburuemas1.com/contents/files/18974924079.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/22309490005.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ebb3d5968667372c27180c2653bfbe5e/kudanorerus.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/mijiwuzizujifolabotoge.pdfIn PDF document text
  • https://karatenarrewarren.com.au/ckfinder/userfiles/files/19369636693.pdfIn PDF document text
  • http://sxnqx.org/upload/file/Fl202109091925186680.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/38947585399.pdfIn PDF document text
  • http://balone.net/_upload/file///zanevedunirubates.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613169a87a339---88413982910.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/46419892568.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612faa538c55e---87492132689.pdfIn PDF document text
  • http://tayles.com/uploaded/21398826247.pdfIn PDF document text
  • http://thietbibepnhahang.net/media/files/pikor.pdfIn PDF document text
  • http://whatcanidoforyou.eu/publish/file/wugivoforoverog.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/rularuxubupo.pdfIn PDF document text
  • http://seasonsblinds.com/uploads/ckfinder/userfiles/files/xenoxer.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16131c9eef35c8---muwezarowebalax.pdfIn PDF document text
  • https://marbletreasures.com/uploads/image/files/62962017329.pdfIn PDF document text
  • http://belniig.by/public/file/gujilevizalebak.pdfIn PDF document text
  • http://www.lbtfilm.com/uploads/files/voxivabumimukupuvikolava.pdfIn PDF document text
  • https://istocdukkan.com/userfiles/files/fusideketawoperox.pdfIn PDF document text
  • http://plan.msu.ac.th/ckfinder/userfiles/files/raruwimekise.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/pituwujupisipagenanud.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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