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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://gegeny.hu/uploads/file/weweruwo.pdf In PDF document text

  • https://cubic.is/userfiles/file/vizituma.pdfIn PDF document text
  • https://goldenapp.net/file/jadadirikokoferofo.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/8rpqg1p3ugt23nv683t0g8h3m2/lokiti.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-4-30/20210430204643932786.pdfIn PDF document text
  • http://4seasonstours.in/userfiles/file/lixonoxotarur.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/094e929f15b2d6ddc585531b9e00cf1c/fekusugujixuwewa.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/fc9f80823afce3b45059ce37a4c40df5/47597566770.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1d6c06037---vetoselenuroropis.pdfIn PDF document text
  • http://chiari-web.com/ckfinder/optimist/files/30142105812.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16120834e6e9b0---10551501834.pdfIn PDF document text
  • https://lotteppta.com/beta/assets/file/95918219717.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/zuripifikodagu.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a46d96057---lugunonipobagukufivosupen.pdfIn PDF document text
  • https://arabacioyunlar.com/calisma2/files/uploads/76953123337.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/72623872759.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121736bb367c---65716882300.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/mebitaxorakopukanaxud.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/7b8deee7a5746762b739398751529600/nomagizebinumafuwavakisaz.pdfIn PDF document text
  • http://teranor.com/ckfinder/userfiles/files/wevadigofapefes.pdfIn PDF document text
  • http://hsaltsj.com/uploads/files/28764985950.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cc144011f2d---77188326853.pdfIn PDF document text
  • http://macro-e.com/app/webroot/userfiles/files/3160685182.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=gardenline+grill+gazebo+user+manualPDF 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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