Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f82eebc4d98511…

MALICIOUS

PDF

87.8 KB Created: 2022-04-19 18:39:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-08
MD5: d308617a76c90a799010c54585efa788 SHA-1: 6df5310e8da5cdb1cc81b8feccc717e2136df32f SHA-256: 98f82eebc4d98511ee5a33a43629ff59faf74195c39b24a1c1e1864846f39bb9
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://noursportevents.com/wheelmarine/userfiles/file/4130863762.pdf In PDF document text
    • http://rovitek.com/userfiles/file/65355415860.pdfIn PDF document text
    • http://www.granito-terrazzo.be/ckeditor/kcfinder/upload/files/gitoxajufabovot.pdfIn PDF document text
    • https://pobolibawawo.weebly.com/uploads/1/3/1/4/131437087/kajusivowuzov-gedivefajolomop.pdfIn PDF document text
    • http://sjar-tech.com/uploadfile/file///2022020610055141.pdfIn PDF document text
    • https://vugevosuza.weebly.com/uploads/1/3/5/3/135328642/lixozeso.pdfIn PDF document text
    • http://bociany.sk/media/file/56220099665.pdfIn PDF document text
    • https://didefoberemi.weebly.com/uploads/1/3/4/8/134879298/2014373.pdfIn PDF document text
    • http://nechajsnv.sk/upload/files/xedozibesizamame.pdfIn PDF document text
    • https://strechybenesov.cz/content/devavotazupi.pdfIn PDF document text
    • https://ximesadi.weebly.com/uploads/1/3/0/9/130969353/mutuxopedewafo-forufunenuba-woxodusefigan.pdfIn PDF document text
    • https://wogaxorabamogak.weebly.com/uploads/1/3/4/4/134400234/madobef_vawefoluvinax_venobigadadal.pdfIn PDF document text
    • https://jodofokex.weebly.com/uploads/1/3/4/0/134040772/mevasoxex-sexumawibeg-wiwumuvefisen.pdfIn PDF document text
    • https://www.procotech.be/ckeditor/kcfinder/upload/files/deboz.pdfIn PDF document text
    • https://gedaradonowat.weebly.com/uploads/1/4/1/3/141389457/78c05.pdfIn PDF document text
    • http://specel.kz/app/webroot/js/kcfinder/upload/files/68925489250.pdfIn PDF document text
    • https://freebcard.com/ckfinder/userfiles/files/xaleju.pdfIn PDF document text
    • https://kavixonew.weebly.com/uploads/1/3/4/5/134592395/4805149.pdfIn PDF document text
    • https://rixifumalig.weebly.com/uploads/1/3/1/4/131437092/679548.pdfIn PDF document text
    • http://aircond.md/upload_fck/file/73026081869.pdfIn PDF document text
    • http://tythb.com/uploadfile/files/1624506007.pdfIn PDF document text
    • https://yoyep.co.za/YmrXLWy8?keyword=jawbone%20big%20jambox%20wonPDF 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 extracted file (font_00_sfnt_off0000f397.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000f397.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f397.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF397 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00010bae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BAE 10864 bytes
SHA-256: dc5e36bb6d0f249858741725573835164b399603d58ef1a3263fa16d209330f7
font_02_sfnt_off000124a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124A1 17292 bytes
SHA-256: c98ab4303c0e0d76338e06837df69fec41e641502053b4b9c0d7d7ffe2ba8004