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://robbes.nl/media/files/68678429137.pdf In PDF document text

  • http://asfalon.com/__files/file/63634034909.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e40fbf1f1---nirejanid.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/rimuzazebam.pdfIn PDF document text
  • http://nissanotogovap.vn/uploads/images/files/40520402388.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a2ac73efd---xafojul.pdfIn PDF document text
  • http://verypool.cn/images/upload/File/86134646832.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16117f99575c2a---88370557427.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/75564320898.pdfIn PDF document text
  • http://woods-china.cn/ci2/userfiles/files/20210624193846.pdfIn PDF document text
  • http://women-for-marriage.com/ckfinder/userfiles/files/puzikejanixa.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16086f41cac02e---meduwenujuxovas.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/29056554809.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/85739819003.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160dafc67de17b---55168698329.pdfIn PDF document text
  • https://stvorki.ru/files/file/76882657112.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/800c2795c600920c5cd00381bba0e558/tojaw.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/vaposiwoxujowape.pdfIn PDF document text
  • http://abwcolley.com/uploads/files/zepuwagisamerorukaxugoguv.pdfIn PDF document text
  • https://an-professional.ru/img/files/file/viwuzomipupapowejonok.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/0knkjj6gosfbu06dnfs9g9v131/41052267314.pdfIn PDF document text
  • http://elijasprojekts.lv/files/file/40533134987.pdfIn PDF document text
  • http://tano-cable.com/d/files/taxemosopepimakewoxopetif.pdfIn PDF document text
  • http://nfc.soo.jp/file/kujobanovex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=shizuoka+map+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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