Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/26313112566.pdf In PDF document text

  • http://artgrafika.cz/userfiles/file/11071623856.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/393ac7da7e500ee6a7ecc3a543bf7e2a/xaxabepanafigovuligixud.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/70318685911.pdfIn PDF document text
  • http://schubert-hh.de/image/file/23398538647.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/96794855228.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/pegusekavejudunazej.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-20/20210920093240703553.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/jewut.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/d39b221e4fecd79f5f2409c9a16902f9/91887360203.pdfIn PDF document text
  • https://cardolf.ro/files/vusofipivupavadenewupe.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/59320714235.pdfIn PDF document text
  • http://theponghop.com/upload/files/vubumalawojap.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/2333447163.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/n7birbb6d1l6m50bvbl9hptoi5/bupipaj.pdfIn PDF document text
  • https://binarbaidservices.com/public_html/userfiles/file/96780856892.pdfIn PDF document text
  • http://sovaimm.it/userfiles/files/94802099780.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/80195097008.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/dimixej.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/37855257291.pdfIn PDF document text
  • https://xnkvinatimex.com/uploads/files/61963026536.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16134370d7105e---rinonapafave.pdfIn PDF document text
  • https://zagorjeadventureteam.hr/files/labeleru.pdfIn PDF document text
  • http://zl369.net/userfiles/file/pofabok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=signs+of+bpd+in+a+relationshipPDF 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.netReferenced by PDF JavaScript
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

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