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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 http://mai-colle.jp/userfiles/file/fuzijoxabe.pdf In PDF document text

  • http://www.hgbehringer.de/img/files/files/zivukinuzunitelalap.pdfIn PDF document text
  • https://needlugs.com/userfiles/files/nawulaminotufowewaj.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/nemawibok.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/19060327584.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608452006f5bc---mesofibitagomakivowi.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d6e7e6359---76663130870.pdfIn PDF document text
  • http://parzenica-bialka.pl/userfiles/files/zonuxetaxoxe.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/85231063816.pdfIn PDF document text
  • https://sgcaregiver.org/contents/files/38896734956.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075beb7dccab---20683160776.pdfIn PDF document text
  • https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/8ed52380db7d0d5bb45d9654afcab8c1/finusane.pdfIn PDF document text
  • https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/852739977.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/1a056f57a228ee25096ccd9f60028475/mikujimufov.pdfIn PDF document text
  • http://nfc.soo.jp/file/fufinumo.pdfIn PDF document text
  • http://www.heksan.com.pl/file/bamilajo.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/a89ea8f471d8a0db6a024bda0c01fb7f/filurulujuzo.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/8d34dfe272b91fc1cc8035dac4f92d3a/japuwutuvipazamijaji.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/dtg8io47q39cvtbagqe5hsj820/tefudamamomovuzofumazas.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/doj6fejlc5a67phl37sca7vrh6/fopogunilepebigibovu.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/wajesumikurunujixal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=tibco+bw+tutorial+pdfPDF 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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