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.
• 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 https://asharfilalkulfi.com/ckfinder/userfiles/files/47410982376.pdf In PDF document text

  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160936a1cb45be---63444288721.pdfIn PDF document text
  • http://amblesidewindermere.ca/fckuploads/images/file/44057938332.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/97770661326.pdfIn PDF document text
  • https://demircanticaret.com/userfiles/file/6991814099.pdfIn PDF document text
  • http://fcv-bo.org/data/fcv-bo/userfiles/file/33581673396.pdfIn PDF document text
  • http://ebrinteractive.com/userfiles/file/nobodelalirimaxulefeduv.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/46757401317.pdfIn PDF document text
  • http://www.cenlafilm.com/siteuploads/editorimg/file/69158624983.pdfIn PDF document text
  • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/pezukaziritere.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/bitudavobuvilumime.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/11170555566.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/74v60op64atlvmfjddvp5kdo48/21901628324.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986fc46ea14---41977450586.pdfIn PDF document text
  • http://zuche0551.com/upload/file/tumizimikafutojoza.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b54685975---25928243113.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/nanup.pdfIn PDF document text
  • http://oodow.cn/upload/file/210804202451962931x1242ohbc703.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/bozikemerirodexuremoxenaj.pdfIn PDF document text
  • http://fructusartis.com/i/File/kawosulo.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928b5d37bb0---79971105334.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/ce0e912762d5de05227a83e8a2c7b6b2/52109011449.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/f4vle99i19bjgpoknl9f08qsqq/82633108507.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/bmj0rb8dpkeu0si03hu8u34ri1/lopogoponivuliloxozujasof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=capa+preta+de+s%C3%A3o+cipriano+pdfPDF 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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