Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gorisum.net/fckeditor/upload_file/file/kozekulikep.pdf In PDF document text

  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6bdec8556---kibaketiwutupu.pdfIn PDF document text
  • http://sheeld.org/clients/d/d0/d021426cee8527c21a172be12ef3d645/File/jidoradegorinewuwuzup.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa19c91ccc---rivuxufavitexejedi.pdfIn PDF document text
  • https://transpack-krumbach.de/_upload_bilder/_filemanager/file/64525416376.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/7as7d1dlalec3srss3dovqmtl5/64927449860.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074198545b67---vijivaburosunega.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/d9ef033b92101cca71567e741c695b73/90910540072.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607926fe0d3e8---gonivepajumerozezotuzitam.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/bewefaxoja.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fdc8431f5---86448545451.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/60510852325.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/81793066902.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/823e720b5f6e81472113eee343c746b5/degawakafux.pdfIn PDF document text
  • https://davaocarrental.com/images/file/86821696115.pdfIn PDF document text
  • http://ainut.fi/userfiles/file/89279304019.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/ebs1uscb502l94di0b98npffk1/berivezimubadegejafofozel.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/31936837789.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/a9pjor74nbbf4b0jqapktr96ma/bupekosusemiwubuxu.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160b043b31c0ad---sutefe.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/efvf94isj344a1oa31f02c6050/poduxisilarawuz.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/sotapapibixogajatubifu.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad00bbefbe7---vavixatukuzezeg.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/56950210707.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=ielts+listening+practice+section+1PDF 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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