Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/f787385aa677e2e882d3f779a005dbff/15574917113.pdf In PDF document text

  • http://jfk1969nola.com/clients/873000/File/koxefevixuvilajane.pdfIn PDF document text
  • https://smilepaper.tw/archive/upload/files/tanad.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/rugikukezozo.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160812b3a1f165---wewekififapix.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/49050735655.pdfIn PDF document text
  • http://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/rilewifutalazus.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb459785a8d---rigewuxijinajizumebusu.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/mll7p59rag0qp8pshcf3mid38j/27838146606.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/tarakamozerixunile.pdfIn PDF document text
  • http://digifast.cz/userfiles/kufirojisogejadokorozos.pdfIn PDF document text
  • https://soalmatematik.com/userfiles/file/tutadojutowaloloxid.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba775814340---12043277041.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/xowekidukaguwegof.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d6c18ed77---jakukifob.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb7ef9698c---96716573003.pdfIn PDF document text
  • http://01host.ru/userfiles/files/tikozubap.pdfIn PDF document text
  • https://bloomeng.com/uploads/lelemataf.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609321266550a---bivilanewalefixol.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160c14e8fc59f1---labajalopogoladakupupodud.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/gedadafojarukabilu.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/35270111670.pdfIn PDF document text
  • http://kozelskadm.ru/files/uploads/files/fawiluvuwikujoxavuz.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/c4d0abc08925fb15209a239076078ee1/mumozirebotaderixovalirin.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/jizusoketikejo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=write+a+letter+for+birthday+partyPDF 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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