Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8491ce676a82bf…

MALICIOUS

PDF

72.0 KB Created: 2021-10-06 20:14:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: ea57d41322f2efbf23fae451ce300171 SHA-1: 33b7488ad2bc94e9b01f01139eab1c9cbfa29666 SHA-256: 5d8491ce676a82bfaa7145e4ad66938fbb4e3d06847b628eb635f6b120b3e262
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9840

Heuristics 5

  • 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.
  • 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://titishop.co/upload/files/91320162386.pdf In PDF document text
    • http://izhar-energy.com/userfiles/file/89435055840.pdfIn PDF document text
    • http://chono.mn/uploads/userfiles/files/fojojavipunuvupobota.pdfIn PDF document text
    • http://www.accl-calibration.com/login/ckfinder/userfiles/files/jaleposetufusejalugesaj.pdfIn PDF document text
    • http://unitec-egypt.net/userfiles/file/fujezexosanob.pdfIn PDF document text
    • https://fotobolfestmeny.hu/mvc/userfiles/file/5397886017.pdfIn PDF document text
    • http://terremeraude.com/userfiles/file/9829934273.pdfIn PDF document text
    • http://bienbao.org/uploads/files/sufupiboru.pdfIn PDF document text
    • https://bahamianbrewery.com/ckfinder/userfiles/files/49970558546.pdfIn PDF document text
    • http://shanghaicruiseparty.com/uploads/file/90749737258.pdfIn PDF document text
    • https://vcvscr.cz/www/www/fckphotos/file/40634853821.pdfIn PDF document text
    • http://toyotarent.tw/FileData/ckfinder/files/20210926_975BB4FA832A0D7C.pdfIn PDF document text
    • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614164069d036---69383543254.pdfIn PDF document text
    • http://eugensa.lt/app/webroot/uploads/userfiles/files/nowiwuv.pdfIn PDF document text
    • https://lorus.rs/files/65785829716.pdfIn PDF document text
    • http://ndemal.com/publish/page/file/95337249185.pdfIn PDF document text
    • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/narur.pdfIn PDF document text
    • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf0ad938a1---29281374729.pdfIn PDF document text
    • http://gasasosong.com/upload/fckeditor/file/wivemiranisemizuret.pdfIn PDF document text
    • https://scalping.ir/data/files/file/77319712055.pdfIn PDF document text
    • http://warmistore.com/userfiles/file/rowawal.pdfIn PDF document text
    • https://www.uflo.edu.ar/ckfinder/archivos/documentos/xepopagawibemewo.pdfIn PDF document text
    • http://evo-models.com/uploads/userfiles/files/pawawedixuvizedutabu.pdfIn PDF document text
    • https://isabellepieman.com/userfiles/file/nuvezatipifa.pdfIn PDF document text
    • http://lavalnerina.com/userfiles/file/40961426913.pdfIn PDF document text
    • https://brillimet.com/uploads/files/202109201702311563.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=deled+first+year+resultPDF link annotation
    • 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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b5a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5A7 10340 bytes
SHA-256: 8c998090b825b0e5cd4962825659d1e171254239586efbbe0266a8db969f1ff1
font_01_sfnt_off0000cd23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD23 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e535.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE535 17572 bytes
SHA-256: e26995217e950dd4fd282b969ae744ee65612539548102a6187116c52b3ca4b4

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