Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd727e4d55d656bf…

MALICIOUS

PDF

71.7 KB Created: 2021-10-01 13:54:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: ac32f9f3da20ad48d3ea24d89b17fd60 SHA-1: d5aa7a546d7e271e9cc79c8e36f2ec3026801f15 SHA-256: cd727e4d55d656bf4de6cd869142f747b974f96eeb1adf8f902b4a7d68195b02
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://sushikyototogo.com/uploads/files/kifavudumekuferutofox.pdf In PDF document text
    • https://padservhosting.com/userfiles/file/76704769289.pdfIn PDF document text
    • http://gramercy-grand.ru/files/file/20912298637.pdfIn PDF document text
    • http://www.cemeba.com/uploads/ckfinder/files/forerobiwesiwixojosudine.pdfIn PDF document text
    • https://thuhuonglacquer.com/uploads/news_file/sikuzagujisofavogawemewi.pdfIn PDF document text
    • https://pabxlg.com/userfiles/file/wowil.pdfIn PDF document text
    • https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/sebidixenofaveko.pdfIn PDF document text
    • http://drivingschool-brno.eu/files/75404322302.pdfIn PDF document text
    • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16042205671.pdfIn PDF document text
    • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/kilawuburipasadilutiwi.pdfIn PDF document text
    • https://5ky13lu3-1251.com/contents/files/gekabadowewexetoxera.pdfIn PDF document text
    • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16142b49003f22---57963835006.pdfIn PDF document text
    • https://gulamanis.com/contents/files/junolid.pdfIn PDF document text
    • http://www.offshoreyachts.net/web_upload/editor/files/tumavewomis.pdfIn PDF document text
    • https://wegofa.com/userfiles/file/nupulided.pdfIn PDF document text
    • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/7269424515.pdfIn PDF document text
    • http://ekmeta.lt/failai/file/bogudawagimegevixipeb.pdfIn PDF document text
    • https://livre-art.com/ckfinder/userfiles/files/78946831889.pdfIn PDF document text
    • http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/tufowitos.pdfIn PDF document text
    • http://rjbmachinery.com/d/files/36302971154.pdfIn PDF document text
    • https://dildendilecevirievi.com/upload/ckfinder/files/zevorepatilukorosonarozit.pdfIn PDF document text
    • https://ringid.vn/ckfinder/userfiles/files/gakopafo.pdfIn PDF document text
    • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c8c06e6293---nalevinu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=open+source+adblock+androidPDF 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_off0000b43f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB43F 16716 bytes
SHA-256: 35cc88823a32eee4b873179557c7290455a3f9fcc56ae8d109efc439b52f1d33
font_01_sfnt_off0000df2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF2C 10764 bytes
SHA-256: 0f626ca72c3ebef5f8ad73903765313857bddadec56c8fa0a62c231196be8b0e
font_02_sfnt_off0000f7cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7CF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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