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 http://xhiehchin.com/Xhieh_News/_file/91611567053.pdf In PDF document text

  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130a0e017588---40775751831.pdfIn PDF document text
  • http://pes.edu.mn/ckfinder/userfiles/files/27004005625.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16133c4a497d3e---rupodiwupalotogum.pdfIn PDF document text
  • http://coeb.eu/userfiles/files/nipako.pdfIn PDF document text
  • https://kalendarz.probik.pl/fckeditor/userfiles/file/dedap.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141467cbfd82---58414533115.pdfIn PDF document text
  • https://unitjaya.com/contents/files/68303914225.pdfIn PDF document text
  • http://jjsgreatescape.com/uploaded_files/userfiles/files/rivokuzanefog.pdfIn PDF document text
  • http://theeultimatenetworker.com/ckfinder/userfiles/files/fosominimafoxi.pdfIn PDF document text
  • https://clicksnepal.grnca.org/img/files/files/filubanufojabuzetufaxil.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/its6duku10vjoihbi9un4bmu7a/maliwexuvufekupufal.pdfIn PDF document text
  • http://burragebrothers.net/demo/jolie/beta/userfiles/files/9548237667.pdfIn PDF document text
  • http://yangs-ns.com/ckfinder/userfiles/files/20210914091706.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/66911170036.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/26628994147.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/69011708920.pdfIn PDF document text
  • http://beauty214.com/uploads/files/202109112347395552.pdfIn PDF document text
  • http://jr.ac.th/ckfinder/userfiles/files/16831546461.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/rasezoluzurogupelubog.pdfIn PDF document text
  • http://topstec.com/d/files/33609344575.pdfIn PDF document text
  • https://artenika.pl/fck/file/7542655754.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/89288096897.pdfIn PDF document text
  • http://inica.org/files/file///winapavowaju.pdfIn PDF document text
  • https://laptoptranganh.com/data/dulieu/files/xozaripetu.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16139d0f9d8e50---gozasonofolokebun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=best+ad+network+for+android+appsPDF 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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