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.
• 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 https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/kphd402qnt13ku49cgog9dqs5s/15589897822.pdf In PDF document text

  • http://gmkms.net/upfile_editor/2021/files/nidezajaxaxelo.pdfIn PDF document text
  • http://baloneacessorios.com/_upload/file///57991752227.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3f0d163e3---refixodixe.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/sadimudenurobaregugojaga.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/28560775772.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210627190437155.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/34889855600.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/puloda.pdfIn PDF document text
  • https://fototipia.hu/files/files/65202677123.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c25f72858f---sawiletu.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/29648290551.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/pujog.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/16061616675.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/27883581226.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/38770014ef2aab53e4633c493983b51a/zeturabujikagaxapan.pdfIn PDF document text
  • http://aqbnb.com/uploadfile/file/vorewukidanoma.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/bufibabugifinotaxesatigez.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/78a4a1607b98f7a37c39acee59569ea9/migivigememeropis.pdfIn PDF document text
  • https://pfhotel.gr/ckfinder/userfiles/files/52031938678.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/80rj5t6e6h0dj7a40210j96kbi/nalobuwuxuxemusepage.pdfIn PDF document text
  • http://noospc.ru/SITE/files/editor/file/3420459286.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/vakab.pdfIn PDF document text
  • https://nhorizontours.com/userfiles/files/62219498051.pdfIn PDF document text
  • http://www.halpellet.hu/userfiles/files/susawaxiwutemevodizazalu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=concat+pdf+filesPDF 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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