Malicious PDF — malware analysis report

Static analysis result for SHA-256 12521c4c68d0e2e4…

MALICIOUS

PDF

68.5 KB Created: 2021-03-19 07:40:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0cf684646cb6e6a67fc314edb0cb8def SHA-1: 5e8304184e8e2488eaefee908085f133cc13e872 SHA-256: 12521c4c68d0e2e47964fcd92cc29811d4e385b53d6da4e9ef2f8d2714a69412
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • 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://druttle.ru/123?utm_term=math+worksheets+grade+5+online PDF link annotation
    • http://limecash.xyz/9911317420ybewp.pdfIn PDF document text
    • http://larokamexi.sportsontheweb.net/scissor_cutting_practice.pdfIn PDF document text
    • http://mexicotop.xyz/sixati57f74.pdfIn PDF document text
    • http://difanitukovu.mywebcommunity.org/7199027848.pdfIn PDF document text
    • http://pusovemolexed.scienceontheweb.net/energy_storage_batteries.pdfIn PDF document text
    • http://jorowijedo.mywebcommunity.org/cbc_test_report_sample.pdfIn PDF document text
    • http://henrysavbr.site/jizopaziwiz7cglp.pdfIn PDF document text
    • http://erogan-encolumbia.site/zevowagevabkq68x.pdfIn PDF document text
    • http://trastenmyqort.online/gladys_pleasant_lacksv2xrv.pdfIn PDF document text
    • http://ig-copyrightnotice.com/books_like_becoming_his_monsterzrgfl.pdfIn PDF document text
    • http://madoxorijegobe.sportsontheweb.net/6_and_7_books_of_moses.pdfIn PDF document text
    • http://honey-love.ru/hrimaly_scale_studiestfgxw.pdfIn PDF document text
    • https://lokogupata.weebly.com/uploads/1/3/5/9/135959524/a765326be56382e.pdfIn PDF document text
    • https://xovokemopozok.weebly.com/uploads/1/3/4/5/134579322/lunoxer-lafowuzirokub-bowesebup-jujelukoranijol.pdfIn PDF document text
    • http://woxotiwewezoba.22web.org/34128449713.pdfIn PDF document text
    • http://steelsho1.club/ridosawavotukoj440em.pdfIn PDF document text
    • http://kisizifavo.getenjoyment.net/haloperidol_davis_drug.pdfIn PDF document text
    • https://timodidub.weebly.com/uploads/1/3/1/3/131379596/3030702.pdfIn PDF document text
    • http://xazonojader.mywebcommunity.org/bakexabi.pdfIn PDF document text
    • http://fefiwizam.sportsontheweb.net/nokia_lumia_521_t_mobile_unlock_code_free.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mubozezubudiz.rf.gd/75758554878.pdfIn PDF document text
    • http://wutesejib.onlinewebshop.net/telugu_baby_names_with_meaning_download.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d02b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD02B 5372 bytes
SHA-256: 9e7271b8f098b58bf96c395b3a4f917945274fb61808e6743ecb4d7100688d81
font_01_sfnt_off0000e289.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE289 10024 bytes
SHA-256: 0f0db5eb7501188211c460065f898ea0010a0af779379e6bc8d912aff96f1186