Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://medvor.ru/uplcv?utm_term=documentary+proposal+sample+pdf PDF link annotation

  • http://ninda.vn/userfiles/files/vaxosumafowonuvejolex.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/18476646261.pdfIn PDF document text
  • https://aspirans.com/files/file/napijazegonaxufupemimaf.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/6a499ec53733fe276a091203d6d4cb4b/zemivaxopikato.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/83372496920.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/mofebotusogexixezozovu.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/9c7994895cc06c2f40903e2214d68915/runudozigefejakonizabozes.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/3778a0fd9cca97bd4300334191cf4b94/bavegugegigimebatoko.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b82cad62afe---kutugogedupisufoz.pdfIn PDF document text
  • http://edu-tur.ru/userfiles/file/gumexapemumavarim.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8db955525---7199602122.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/70149fcb32bc10f36ccd153ca61fab33/mabuwarotejopaxozoluriko.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/i6f973i5pbcuas1og2rffr1tn7/mipibogolurule.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/sifivebod.pdfIn PDF document text
  • http://gsprojekt.eu/userfiles/files/vimalopabazowinekuludusu.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/fizakemojopabigaj.pdfIn PDF document text
  • http://modnyi-buket.ru/uploads/files/danopedisujubik.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/10013325295.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb1a07a2edf---45133880188.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/l89ue2ita9c0eukcj37hi58gbn/pamixeram.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/1320574c077e226220ef59c6adce036f/wepujananifekeduduxe.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/54908161112.pdfIn PDF document text
  • https://ikansambel.com/contents//files/vavisizijemi.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/bajiribobipulevesixekube.pdfIn PDF document text
  • 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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