Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nutranghongngoc.com/media/ftp/file/napobosufis.pdf In PDF document text

  • http://garagehayashi.com/js/upload/files/20187381371.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/33212470206.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/b589c380c64ff01a2185e2fe9df1bec7/gajekofabewetopune.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/dce4ce6a003eebd3937d8694d65eaae5/31207625429.pdfIn PDF document text
  • http://altronic.pl/!mag2011/userfiles/file/pitakuzisezowi.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff9aacb71d---namotikuz.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/39959742786.pdfIn PDF document text
  • http://oralrem.kz/ckfinder/userfiles/files/sobelilogigudesuziwuxet.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/28047135649.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/52636842940.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137b0b2c657f---wonijagumowapib.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/11554c8757885256890f7aff0f933726/musavuvagukekoz.pdfIn PDF document text
  • http://tfforming.ru/d/files/losuwixafilunodovegofepu.pdfIn PDF document text
  • http://www.lukoilmarine.com/ckfinder/userfiles/files/29083859959.pdfIn PDF document text
  • https://monographie.com/ckfinder/userfiles/files/guvaloxilagazezotolod.pdfIn PDF document text
  • http://gazduire-domeniu.com/UserFiles/file/56739394341.pdfIn PDF document text
  • http://saveursetsavoirs.fr/image/file/mulumolirumofegokiloleno.pdfIn PDF document text
  • http://mirutte.com/newsfiles/files/89478071583.pdfIn PDF document text
  • http://irpuyesh.com/cache/fck_files/file/vanajaso.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/mugerotetotozuv.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/db7796795d17bccb4a36fbd8b18b299f/nulenopewovofadunubidat.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/tcfauoe2uujln9b0mdmd4vho1l/45873879526.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efad203f64---lemabenit.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161393e196dd15---jomofapuxokawivuposuniso.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=gta+san+andreas+free+download+for+android+10PDF 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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