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://ketchas.ru/uplcv?utm_term=how+to+stop+pop+up+notifications+on+android+nougat PDF link annotation

  • http://nuuts.mn/uploads/assets/26693150034.pdfIn PDF document text
  • http://rajhansnursery.com/userfiles/file/91165316238.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/guxelukulanegib.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/tafefuwof.pdfIn PDF document text
  • https://gkia.org/kingkong/userfiles/files/63195139005.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16143a3b8ea4bd---jolusawupilawew.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/22562551305.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/34695652288.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/7199878763.pdfIn PDF document text
  • http://camelliafb.com/uploads/files/202109060509265159.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/3svtfqspbec2bhkq4e18ttcmdo/11213711863.pdfIn PDF document text
  • https://sabunwangi.com/contents/files/64610002733.pdfIn PDF document text
  • http://globalroomplus.com/bot/ckfinder/uf/files/47790205154.pdfIn macro / runtime command snippet
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161433f1aaa24d---dodiz.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/3374425840.pdfIn PDF document text
  • http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/47041112060.pdfIn PDF document text
  • https://congtydaihai.com/upload/files/malosunorefajazimadib.pdfIn PDF document text
  • http://artospace.com/pics/file/jogak.pdfIn PDF document text
  • https://mavibusiness.it/file/9456237426.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/bfb0ulh3d2rnsfdm06mm4bs5lj/jinogodetolodotilurulumek.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137914284acf---26300157880.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/97722446641.pdfIn PDF document text
  • http://jlsxjy.com/right/UploadFile/file///2021091516132973499.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/42a06b934b3157bbebaabe092cce8dd5/19971305611.pdfIn PDF document text
  • http://pho32shabu.com/uploads/files/68385012225.pdfIn PDF document text
  • https://sabunwangi.com/contents/files/6In 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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