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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://huntic.ru/uplcv?utm_term=female+voice+changer+apk PDF link annotation

  • http://artattack-concerts.de/files/file/xipawivusiwusi.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/fadubovogibis.pdfIn PDF document text
  • https://ikomsolutions.com/admin/userfiles/file/gimusepinabatuwapumigako.pdfIn PDF document text
  • http://vxclouds.com/userfiles/file/55700580594.pdfIn PDF document text
  • http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/23666655133.pdfIn PDF document text
  • http://rtm-plus.ru/ckfinder/userfiles/files/jikofisivowowepag.pdfIn PDF document text
  • http://elrey-uslugi.ru/media/file/pupari.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/83318942554.pdfIn PDF document text
  • http://kes.org/upload/editor/files/tuligujubewep.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/boruzuzumisujeremubavagiw.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146c636764d5---kefuwikutijiraxejaxim.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613a047ad2218---96859989352.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/jekegovuvukejom.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/aidlre6htahroul3siloa77ed6/gizalotaxali.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16144a15257d0d---52772357906.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc28289a0b---mimubijaxifegetuketoduxas.pdfIn PDF document text
  • https://ncsccalgary.com/userfiles/files/fofijutinerezoxir.pdfIn PDF document text
  • http://szyuangang.com/UserFiles/file///nalijakotifepulaba.pdfIn PDF document text
  • http://bekkercoon.ru/ckfinder/userfiles/files/82382021117.pdfIn PDF document text
  • http://dorp.pl/userfiles/files/32651959483.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/6cf780f2db516364b9c4a5173e044b5d/duzukititesakumametexima.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/28441172284.pdfIn PDF document text
  • http://stellar.ru/ckfinder/userfiles/files/fisazifalonebidor.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/31029014208.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139ab8470917---tarusobel.pdfIn PDF document text
  • http://steffis-strassladen.de/userfiles/file/ferekomanofobetagegak.pdfIn PDF document text
  • http://www.tenniscanberIn macro / runtime command snippet
  • http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/31600947739.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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