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
• 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://krisoc.ru/uplcv?utm_term=how+to+connect+ps4+controller+to+mobile+phone PDF link annotation

  • http://kartinatv.org/uploads/files/83066751599.pdfIn PDF document text
  • http://aal.tw/uploads/htmlupload/files/45150746476.pdfIn PDF document text
  • https://magiccat.pro/ckfinder/userfiles/files/bufirisivu.pdfIn PDF document text
  • https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/26434972345.pdfIn PDF document text
  • https://oriolefashion.com/ckfinder/userfiles/files/pefusen.pdfIn PDF document text
  • http://thietbimaugiao.vn/Images_upload/files/20357864910.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/38050950630.pdfIn PDF document text
  • http://jcbcharpentebois.com/ressource/site-image/files/sominifopadunidaduva.pdfIn PDF document text
  • http://benetworkingpro.com/ckfinder/userfiles/files/6248518652.pdfIn PDF document text
  • http://www.polni.si/Images/files/kakutuduvo.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/d50d1096c821cc93231ca7340debab91/ximer.pdfIn PDF document text
  • https://towa-aaa.jp/userfiles/file/xizigejijuletumeridijot.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/63592864666.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/sivovadu.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/89716285082.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/36eccceb876b3309758d386cc532b50f/64943237273.pdfIn macro / runtime command snippet
  • http://sualpturizm.com/userfiles/file/tavexavofizuf.pdfIn PDF document text
  • http://dienlanhtruongson.com/upload/files/4193456012.pdfIn PDF document text
  • http://esangsok.com/upfile/files/39683657503.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/13010750846.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///jijisevixabejamolupenavu.pdfIn PDF document text
  • http://abbwingslynnhaven.com/uploads/files/vevuwodo.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/rolopedozomazot.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161401c7138f91---20006813733.pdfIn PDF document text
  • http://taemyung.com/data/upload/file/xesijumiv.pdfIn PDF document text
  • https://ms2oke.com/contents/files/40578197355.pdfIn PDF document text
  • https://cosplay-expo.it/ckIn macro / runtime command snippet
  • 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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