Malicious PDF — malware analysis report

Static analysis result for SHA-256 44554d4190a23767…

MALICIOUS

PDF

82.3 KB Created: 2021-09-16 18:55:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-11
MD5: bd5f3c427adefd12a224c4446d56b275 SHA-1: 3ce36879009e45c149fb995b16628e3f1b90dcb9 SHA-256: 44554d4190a237670f33dd59aec93042b8bf9f0d6ddfb0b94399c0dd7ad4a577
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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://coretry.ru/uplcv?utm_term=harry+potter+puzzles+%26+spells+apk+mod PDF link annotation
    • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/e8cd518955f455f9ff701ef70070f928/marajinajubewe.pdfIn PDF document text
    • http://langmypham.com/luutru/files/88900865783.pdfIn PDF document text
    • http://hocomesun.com/upload/metupevisulemevud.pdfIn PDF document text
    • http://dom-2000.ru/ckfinder/userfiles/files/12656735365.pdfIn PDF document text
    • http://ferramentabelleggia.it/public/file/juvegudegefawabixuzut.pdfIn PDF document text
    • http://www.motionmantra.com/userfiles/files/davadabimomarinebitunuw.pdfIn PDF document text
    • https://dunaweb.co/bg_image/files/bixufipumafar.pdfIn PDF document text
    • https://pypconsultores.mx/userfiles/file/67868386624.pdfIn PDF document text
    • http://mindentudor.hu/userfiles/file/xexewifiron.pdfIn PDF document text
    • https://beysukonaklari.com/ckfinder/userfiles/files/wojenib.pdfIn PDF document text
    • http://bananamusic.tw/uploads/files/202109161245502083.pdfIn PDF document text
    • https://alpinismbihor.ro/app/webroot/files/userfiles/files/88944102407.pdfIn PDF document text
    • http://avsa.org/sites/default/files/images/files/77130838019.pdfIn PDF document text
    • http://fskyok.com/uploadfile/files/73891788081.pdfIn PDF document text
    • https://tradingphrases.net/userfiles/files/lujemukapoladipubizulex.pdfIn PDF document text
    • http://tobn56.com/UpFiles/file/17357513828.pdfIn PDF document text
    • http://dailycan.com/userfiles/files/44027401626.pdfIn PDF document text
    • http://the-bom.kr/upfile/files/dibulusavinuxofiju.pdfIn PDF document text
    • http://vom-ragnaroek.de/uploads/file/55869944321.pdfIn PDF document text
    • http://studiotecnicostradi.eu/userfiles/files/23982158919.pdfIn PDF document text
    • http://fotografieindex.nl/images/uploads/jopupovaradifenatafubobo.pdfIn PDF document text
    • https://daulte.com/ckfinder/userfiles/files/70186239242.pdfIn PDF document text
    • https://inarsindbari.org/uploads/61513511040.pdfIn PDF document text
    • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/ppbm7o13agmid291ds6a761ssk/25888166544.pdfIn PDF document text
    • https://fnb-concepts.com/images/uploads/files/towewidutebukijose.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 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_off0000dbbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBBE 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f3d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3D0 18664 bytes
SHA-256: 95bb147a7067d000c9961ced055855a6300d4c5813a864d73eb3eef479631f01
font_02_sfnt_off000123ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x123EE 10316 bytes
SHA-256: 33e295262fe025b7fcbabea0e6a451300831146b40b03afe0c192d285ad9cc82

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