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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://mifuj.co.za/YmrXLWy8?keyword=gateway%20dx4860-ub21p%20drivers PDF link annotation

  • http://zenpersonnel.com/UserFiles/file/99460644433.pdfIn PDF document text
  • http://massintech.ru/img/outer/files/durupofexamedebomagoso.pdfIn PDF document text
  • https://fexegidonowagi.weebly.com/uploads/1/3/5/3/135325594/tenif.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623f1ddf16134---kovevitisado.pdfIn PDF document text
  • https://kivuligob.weebly.com/uploads/1/3/0/8/130874143/c3f0173c1476.pdfIn PDF document text
  • https://marulokovew.weebly.com/uploads/1/3/4/6/134611896/e16e2.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/28653017398.pdfIn PDF document text
  • https://guzuwifaxad.weebly.com/uploads/1/3/4/0/134096987/nopokavis.pdfIn PDF document text
  • https://dodirubiv.weebly.com/uploads/1/3/4/5/134505429/1d42362b86592a7.pdfIn PDF document text
  • http://a-pro-peau.fr/userfiles/file/zevibukofa.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/velozuvuwominado.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/74388293684.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16232cb44204ca---xosadixes.pdfIn PDF document text
  • https://chataigne-cevennes.fr/imgs/files/94171758968.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622080ad991b7---ruwipabivuwawevemarenajax.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/gijigitajivuza.pdfIn PDF document text
  • https://nozirurabi.weebly.com/uploads/1/3/0/7/130738896/mulegakajodet-zinazesugo-mumeni.pdfIn PDF document text
  • http://kaica.org.sa/ckeditor/kcfinder/upload/files/22604714901.pdfIn PDF document text
  • http://bulongvungtau.com/media/ftp/file/boxajota.pdfIn PDF document text
  • http://clinical-pain.com/pds/userfiles/files/makuwi.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 extracted file (font_00_sfnt_off0000b031.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b031.bin)

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