Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3e229ce93eb297…

MALICIOUS

PDF

150.4 KB Created: 2021-12-07 05:53:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 736dea868d3bb8a336e442540d947efc SHA-1: ae35d243fd8887ebbc9c79cbbef995248e58921e SHA-256: 4e3e229ce93eb2972b99720195e860b0b1bf0ef40a0006cd0238599a21ea7366
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9589

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16186a7d6d093b---18339356669.pdf In PDF document text
    • http://tantex.org/tantex/tantexuserfiles/file/85540240873.pdfIn PDF document text
    • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/20700878225.pdfIn PDF document text
    • https://martan.es/cenavarra_userfiles/files/vubutom.pdfIn PDF document text
    • http://boracayg.com/FileData/ckfinder/files/20211026_10E73946A47D7856.pdfIn PDF document text
    • https://noriupapildu.lt/ckfinder/userfiles/files/90787000008.pdfIn PDF document text
    • http://kanizsakran.hu/userfiles/file/pemewekater.pdfIn PDF document text
    • https://hotararicedo.ro/files/files/941877624.pdfIn PDF document text
    • https://myphi.biz/nbloom/fckuploads/file/winunokesuxekevulof.pdfIn PDF document text
    • https://decoveinvestment.com/userfiles/file/43041541581.pdfIn PDF document text
    • http://rovitek.com/userfiles/file/gapanodiba.pdfIn PDF document text
    • https://keralatemples.info/ckfinder/userfiles/files/95139099932.pdfIn PDF document text
    • https://chongtham68.com/app/webroot/uploads/files/novojadufuziwilamigu.pdfIn PDF document text
    • http://cloverdiamond.com/file/waxexuxutitenezeju.pdfIn PDF document text
    • http://btfa.tw/upload/files/99221168471.pdfIn PDF document text
    • http://vibestedu.com/_UploadFile/Images/file/27034587137.pdfIn PDF document text
    • http://doradcyprawni.com/images/pliki/653435697.pdfIn PDF document text
    • http://orsini-blasioli.it/userfiles/files/24453776745.pdfIn PDF document text
    • https://monamifrance.com/FileData/ckfinder/files/20211001_0331A800CC1EC7E1.pdfIn PDF document text
    • http://growlink.biz/userfiles/file/71775989487.pdfIn PDF document text
    • https://mackbeks.com/files/file/miwanowekijazalekumepu.pdfIn PDF document text
    • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a5622cbd450---76775199262.pdfIn PDF document text
    • https://yaofangpeixun.com/upload/files/85726368700.pdfIn PDF document text
    • https://adproissy.emailingmanager.com/uploads/editor/file/13115162545.pdfIn PDF document text
    • https://girilawfirm.com/content_files/files/wuxigasoga.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/HKUGBsJGI0E/uplcv?utm_term=effortless+english+audio+lessonsPDF link annotation
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/tiff/1.0/In PDF document text
    • http://ns.adobe.com/exif/1.0/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/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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001ed90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1ED90 10716 bytes
SHA-256: 27797615b7a8e8223b9ceb53b853c46c6b24a49164b77c95cd6effdff3c41f64
font_01_sfnt_off000205e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x205E0 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off00021c7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21C7F 17976 bytes
SHA-256: f00ec91b513217db36dc14f5b4f1fc2541dbf932b264010c16b0c0b66b383cae

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