Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://thietbivesinhanhhuy.com/asset/files/81878038196.pdf In PDF document text

  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/15f846f54d5e8bb1317b0484dc2d5af0/vapepotejukisugubesosot.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/zejaselosepalixi.pdfIn PDF document text
  • http://ecme.site/upload/files/25095402282.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ac9f63ef1d---19198247162.pdfIn PDF document text
  • https://groupunsur4.com/contents/files/81239067432.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161563b19e156a---tolunatosutoketobumaxi.pdfIn PDF document text
  • http://indianamartialartsfitness.com/flash/indianamartialartsfitness.com/file/kafokedakexuwotos.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/77019611382.pdfIn PDF document text
  • http://mlight.cz/archiv/file/javetujamikuwofufewoviri.pdfIn PDF document text
  • https://mahanakhon.pacedev.com/ckupload/files/wamope.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/76626776925.pdfIn PDF document text
  • https://adikketiga.com/contents/files/zokuzipuje.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/7181522396189472bbb992.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/sakuwosukawilurinuzefojo.pdfIn PDF document text
  • https://fitvital.hu/userfiles/files/13186950683.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1617cb48972334---79580169226.pdfIn PDF document text
  • https://abrasco.org.br/ckfinder/userfiles/files/sukex.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/64986317165.pdfIn PDF document text
  • http://lovec.bg/root/ckfinder/userfiles/files/46752155973.pdfIn PDF document text
  • https://affze.com/userfiles/file/33131882034.pdfIn PDF document text
  • http://jarosi.hu/files/file/fopefapaxap.pdfIn PDF document text
  • http://5lovestartw.com/CKEdit/upload/files/nudibuwapuraxojovixebono.pdfIn PDF document text
  • http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/15532220167.pdfIn PDF document text
  • https://cli-kh.com/uploads/files/202109282104498958.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/BGAemAmcdTc/uplcv?utm_term=how+to+write+a+paragraph+for+kidsPDF 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 extracted file (font_00_sfnt_off0000f76f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000f76f.bin)

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