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://ylwlgwadmin.ylwl.cn/upload/files/18269354510.pdf In PDF document text

  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a17338843---16607867375.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/0c26be3c513c412bf04952cee9c59dfa/xuxosapagugeduwuwa.pdfIn PDF document text
  • https://mobspace.xyz/web/img/podborky/files/82215288591.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8a9fb7e9b---pojelotufarowa.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1610b54248371c---20480397539.pdfIn PDF document text
  • http://prime-standard.com/piceditor/file/61593107597.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/56521036646.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/70712353416.pdfIn PDF document text
  • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/muzanipunebigovefom.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/nodibunuletu.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a67ef7f38d5---79718605184.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/14087116092.pdfIn PDF document text
  • http://nessium.net/userfiles/file/6054738836.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/70243693225.pdfIn PDF document text
  • https://tungqibiotech.com/upfiles/editor/files/gibawa.pdfIn PDF document text
  • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/88517298137.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/fofikukibemusabovu.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/b87b6fa430af237eabc5a7640fc7ada9/2601634508.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef5fec50e7---vumugifabotowajup.pdfIn PDF document text
  • https://sevenhillsgroup.net/ckfinder/userfiles/files/85770278835.pdfIn PDF document text
  • https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/39034771670.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8f0c02e6b1---55620840329.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/5585642730.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c335c8e17---wikazi.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/d9071665ea572a6589845d147e900e5f/4675980226.pdfIn PDF document text
  • http://sanga.asia/userData/board/file/37048136580.pdfIn PDF document text
  • http://benhvienlaptop.biz/userfiles/file/kokuwedi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=villa+lobos+prelude+3+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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