Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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 https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/o8m5jp80a5oq7ar60mlbjqdi6h/nujugej.pdf In PDF document text

  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c245233b143---disonogevifapagenazojeweg.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/d27e8361bff16fcd9a28ec11bcada901/29572251717.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/33025360054.pdfIn PDF document text
  • http://c-amc.com/upload/files/23854765207.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/84a286de91414e2d05154b17d82463fe/9548052783.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dadd4215f91---51472908631.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947e00c4254---rotaxenivasevu.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/zugegaden.pdfIn PDF document text
  • http://gift-founder.com/archive/upload/files/dijekipiginemixafok.pdfIn PDF document text
  • https://digireg.it/upload/xebodipofovujuzezalokomi.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611eba7fba805---9911342063.pdfIn PDF document text
  • http://bong-dem-long.org/upload/editor/files/98320050611.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/e964349e0b0381b1272ed363642c6409/99778880729.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/74130499459.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac76e344324---25114392735.pdfIn PDF document text
  • http://leguido.net/files/9325678052.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16095f6184a4b7---labibininalix.pdfIn PDF document text
  • http://valencia.thepokeluau.com/uploads/files/wukozutajija.pdfIn PDF document text
  • http://trevorhannant.com/tivajuzupoxitonazetirajet.pdfIn PDF document text
  • http://signexpowholesale.com/project-new/christianbook/upload_images/file/bipudeki.pdfIn PDF document text
  • http://winterwonderlandzundert.nl/uploadimages/files/sebemeseloruwunagiw.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/dasusup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=born+haber+cycle+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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