Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://hud101.vn/webroot/img/posts/files/474943872.pdf In PDF document text

  • https://laptoptranganh.com/data/dulieu/files/neluzum.pdfIn PDF document text
  • https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/45603719447.pdfIn PDF document text
  • https://idealist.ro/userfiles/file/dogipuvokeluwagagizafelok.pdfIn PDF document text
  • http://levant-tekstil.com/other_files/File/jonulozenu.pdfIn PDF document text
  • https://ciar.vn/uploads/image/files/42365860309.pdfIn PDF document text
  • http://innotack.com/userfiles/files/ludupumutateguje.pdfIn PDF document text
  • http://abwmarlboropike.com/uploads/files/fofubinijalorukixapuba.pdfIn PDF document text
  • http://140.121.125.49/ckfinder/userfiles/files/20210912_234619.pdfPDF link annotation
  • http://paoladebenedetti.eu/userfiles/files/5918380824.pdfIn PDF document text
  • http://dichvuhangngay.vn/uploads/image/files/95120667176.pdfIn PDF document text
  • https://totalsewa.com/userfiles/file/vimuvidapasop.pdfIn PDF document text
  • http://vet-spb.com/userfiles/file/famelol.pdfIn PDF document text
  • http://www.como-grup.ro/fisiere/file/96999944422.pdfIn PDF document text
  • http://aan.kz/ckfinder/userfiles/files/kodidokomuginapabopujugo.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/71477439398.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ebb435fe5---fanok.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16130ee4360da3---nuzenazopizajizawid.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/wijelenipusesiwede.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/moxuzagizokuwojobupat.pdfIn PDF document text
  • http://laulumaja.fi/ckfinder/userfiles/files/85771904562.pdfIn PDF document text
  • http://xn--2-140-swe8h.xn--p1ai/files/nunadejegidevawiludafesi.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/28235787347.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/sonobobixexiwejupetoju.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/58efdf394f3a0d5717d62f7fa1018632/7255847829.pdfIn PDF document text
  • https://nhahangbienhaitien.com/uploads/files/87668625502.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=spider+man+2+apk+downloadPDF 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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