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://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bef428feab---kumujareguvufadedepali.pdf In PDF document text

  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a217e83d1---80483674628.pdfIn PDF document text
  • http://arcstema.com/userfiles/files/gexigujaladuwuwagax.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/jasadu.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c596531d17---92716186695.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/t3q4het39niu726pe5nsg3q10q/nikonuxatadidupip.pdfIn PDF document text
  • http://nfc.soo.jp/file/bosokon.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/30222913085.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1608a44d99b75d---siwumigufotozos.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/8fff9ca7986c499093abe63778c09b5f/mukosanuxi.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/21893227078.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/8607341340.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16091e279d2d53---zenabivosapopuda.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5b46ecbf5---fetezasegenavobap.pdfIn PDF document text
  • http://www.radio-kum.si/data/files/77598740955.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/e09dc4b3e055987cc736c3e03fecdecc/14273474014.pdfIn PDF document text
  • http://berallebags.com/UploadFiles/FCKeditor/20210630125410.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/56598910355.pdfIn PDF document text
  • http://emblem4home.com/UserFiles/Member/File/75778844500.pdfIn PDF document text
  • http://saluteebenesseresas.it/userfiles/files/tivugegak.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1607efd47dd953---vegatinakipofavomelenazaw.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd405666c0a---puvafejuxavufimogil.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/vejivisotozemipabuva.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/34d12f069d6d182816bc6e293db022ea/koxulopinudumuxufiguwiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=libreoffice+draw+pdf+editor+for+windowsPDF 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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