Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dfa8d7e81eb99c1…

MALICIOUS

PDF

70.9 KB Created: 2021-11-21 12:47:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-19
MD5: 268b34274e262d355210b131de9eeea1 SHA-1: 0ae85f2381882270c70a73b3c2c97c277cd1508c SHA-256: 6dfa8d7e81eb99c16eddb1d11649a47c8c0ae58ad1f3d661deff33fb13b77dce
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

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://ccskin.com/geektic/files/tewebade.pdf In PDF document text
    • https://wilde-signs.com/media/75042289815.pdfIn PDF document text
    • http://bpabv.nl/uploadfiles/file/23907471394.pdfIn PDF document text
    • https://legend-chang.com/UserFiles/files/13873002198.pdfIn PDF document text
    • https://www.multilandtours.com/assets/ckfinder/userfiles/files/susozazopusasanuketijitam.pdfIn PDF document text
    • http://ff-engineering.com/userfiles/files/62035724204.pdfIn PDF document text
    • http://bushurov.ru/images/files/pokerowopevatasafasumotil.pdfIn PDF document text
    • https://jaurrieta.net/USERFILES_JAURRIETA/files/64558473288.pdfIn PDF document text
    • https://embassyinvietnam.com/webroot/img/files/fivakuw.pdfIn PDF document text
    • https://directorvincentchow.com/fck_filemanager_upload/file/80267068637.pdfIn PDF document text
    • http://cs-web-design.de/ablage/userfiles/files/toledulavun.pdfIn PDF document text
    • https://workinhotel.com/upload/fckfile/20306274333.pdfIn PDF document text
    • http://imobilestore.de/userfiles/file/28196586985.pdfIn PDF document text
    • http://orvositudasbazis.eu/images/upload/file/raxegametananazijosurak.pdfIn PDF document text
    • https://svetplus.com/userfiles/files/manizojexawosijibumu.pdfIn PDF document text
    • https://profesa.net/userFilesfile/80655869094.pdfIn PDF document text
    • http://lingeriedediva.com/UploadFile/file/2021112008381373499.pdfIn PDF document text
    • https://tapuionoticias.com/ckfinder/files/rapufij.pdfIn PDF document text
    • http://safires.cz/ckfinder/userfiles/files/46080470380.pdfIn PDF document text
    • http://pogologistics.com/ckfinder/userfiles/files/95199486421.pdfIn PDF document text
    • http://irfanmakina.com/depo/sayfaresim/file/67860495625.pdfIn PDF document text
    • https://catamma.ru/uplcv?utm_term=electrical+panel+drawing+symbolsPDF link annotation
    • http://beautybybelief.com/admin/images/file/2561937153.pdfIn PDF document text
    • 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_off0000b30e.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b30e.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b30e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB30E 16612 bytes
SHA-256: c736f288f50779ab6195d37c799535a76bbae56f565d98f64280586088a3a727
font_01_sfnt_off0000de12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE12 11180 bytes
SHA-256: 9f8dd3420f715dbbed9e7db73022e3613c4bfb58c5b2c91ec27053ce75d120fe
font_02_sfnt_off0000f7d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7D2 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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