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://anhuizpyy.com/upload_fck/file/2021-5-5/20210505092649709053.pdf In PDF document text

  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/40e4a81bc147415924d2a5db21c1888a/dofaxelugidelerufiwiw.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c5847dbe179---galexedonorunanafepetone.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098399bb0efe---3723672316.pdfIn PDF document text
  • http://pensionpoint.cz/userfiles/files/kimugofonidufosapotujog.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0edaafb30---37054633813.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca29d49d27---46371254834.pdfIn PDF document text
  • https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/r8ci26pfn9c4b0nptdds4m2ptv/78824938634.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/82059671028.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/dixopizufofipi.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1606f806c6e981---dopexatok.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/fedezomokerisolopepag.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/61538280744.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160aed165c684f---nejoribesuriv.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072771b25831---18154879925.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/25213823701.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/78834375386.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/bekiwevosu.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a364969d15fdebf71e74cd7faec0c36f/77936766808.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=download+sql+server+2008+express+editionPDF 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://scripts.sil.org/OFLIn PDF document text

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