Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e890da15376e208…

MALICIOUS

PDF

64.6 KB Created: 2021-02-11 16:45:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 042a124ff56975ba6c40e1672b3e5ff6 SHA-1: abe45ee90774fc35446ac31039b1b06537ab6ee9 SHA-256: 8e890da15376e20887e143cd35ef0322d39746b626425666adf5126246b768aa
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://druttle.ru/wix?keyword=maximum+ride+book+5+pdf+download PDF link annotation
    • http://salejozokaboruz.22web.org/76860039439.pdfIn PDF document text
    • http://cupe1.ru/pisofikuxavejomoxidevap2l5u.pdfIn PDF document text
    • http://shoes-storie.club/57883886309amj90.pdfIn PDF document text
    • http://dommasters.site/defibtech_ddu-100_service_manualu1szx.pdfIn PDF document text
    • http://gosofejabe.iblogger.org/dadimatogezaxaw.pdfIn PDF document text
    • http://ig-about.net/land_measurement_units_in_uttar_pradesh32yr6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369802/normal_60086907f3f37.pdfIn PDF document text
    • http://womaruzufoxila.iblogger.org/64651674955.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392664/normal_6006e0342b1d2.pdfIn PDF document text
    • http://milanomoda-italy.website/knife_master_vs_roguej97vq.pdfIn PDF document text
    • http://uuuuull.space/117861852855b3ny.pdfIn PDF document text
    • http://salonvarna.com/chandramukhi_tamil_full_movie_videoh9r2b.pdfIn PDF document text
    • http://50offstore.pro/16940126173mt91x.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371272/normal_5fdafd54c456b.pdfIn PDF document text
    • http://olx-delivery.cc/sekunamikeojo4l.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475563/normal_601cde77cdfb0.pdfIn PDF document text
    • http://nuselobire.22web.org/89959983810.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pilazi/blockchain_app_apk_free.pdfIn PDF document text
    • http://favagapararo.epizy.com/application_for_leave_letter_format.pdfIn PDF document text
    • https://s3.amazonaws.com/gotenukevepunin/bengal_tiger_movie_mithun_chakraborty.pdfIn PDF document text
    • http://dixadenidufudu.epizy.com/nutritional_information_1_cup_coconut_water.pdfIn PDF document text
    • http://kusaletexozibov.epizy.com/fezunajosojalitex.pdfIn PDF document text
    • http://mukazofe.rf.gd/chromium_os_iso_file.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_off0000bf77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF77 5504 bytes
SHA-256: 2fab8ea6f55e019cd5f69845c8843a0c9348f74317a8feca03991d451ea28047
font_01_sfnt_off0000d241.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD241 10088 bytes
SHA-256: db8868aaaab862e10eee8ae6b66b9ccd310003c9aa87f67008474fe358368312

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