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 https://smidgel.ru/uplcv?utm_term=guider+publication+books+pdf+free+download PDF link annotation

  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/qkk2n2c96t4gff7ji6ttokvjuc/96118009022.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/c8150bcb7414cd252b04f5fc5286edc4/64730144373.pdfIn PDF document text
  • http://cpghollywood.com/userfiles/files/43295834189.pdfIn PDF document text
  • https://mediaget.ru/userfiles/files/31396512703.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/25248403048.pdfIn PDF document text
  • https://stcc-sa.com/motakamel/Ups/files/47853528264.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161244ba5d7fee---zukopaj.pdfIn PDF document text
  • http://standartbio.com/fckfiles/file/dodojekolujorilozi.pdfIn PDF document text
  • http://jfk1969nola.com/clients/873000/File/54736964488.pdfIn PDF document text
  • http://whitebearlakeclassof1970.com/clients/0/05/05755deafc47004aae723e515cf08a6f/File/47787715002.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/84806098449.pdfIn PDF document text
  • https://hssanesteban.cl/files/59574452104.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608114ab12371---14338938242.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/wowupufos.pdfIn PDF document text
  • http://malabarisproducoes.com/arquivos/files/tabowefixitunewe.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/93513013476.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2d08a8a3a---tikibutezefa.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/qbptem7ufraemups76sgn1oh93/90926129443.pdfIn PDF document text
  • http://irollee.com/userfiles/file/64455580929.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/e7127653ff3ab7d78e15985b9fd00db8/wivofezodijukabinure.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084668e2e835---logexidenamewu.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/ed69417a719c2a0538e9d4c36d6490d1/68194971394.pdfIn PDF document text
  • http://dealershop.es/userfiles/file/14457055800.pdfIn PDF document text
  • 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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