Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a26c002a52f7da0…

MALICIOUS

PDF

74.4 KB Created: 2021-03-06 22:27:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2bbba3281da044c3dfd8e6251adb9fe5 SHA-1: 1511ffab742f6867469ac730d4a0ac9d59f546a1 SHA-256: 2a26c002a52f7da060395ba58982cc8cb500780f3e6c6d0653cb020aed6357b4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://botokaw.ru/award?keyword=how+to+setup+honeywell+thermostat+app PDF link annotation
    • http://faxusigeroles.sportsontheweb.net/percy_jackson_series_movie_download.pdfIn PDF document text
    • http://setopin.mypressonline.com/negotiable_instruments_act_cheque_bounce.pdfIn PDF document text
    • http://vubitim.sportsontheweb.net/echo_srm_230_carburetor_problems.pdfIn PDF document text
    • https://cdn.sqhk.co/furigelo/hLhjAic/farm_bay_enterprise.pdfIn PDF document text
    • http://naliputa.mywebcommunity.org/the_power_of_positive_thinking_norman_vincent_peale_wikipedia.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415782/normal_5fc793c02006a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384822/normal_6028558a086cf.pdfIn PDF document text
    • https://cdn.sqhk.co/vilubofi/gdiihk2/guild_wars_2_legendary_armory.pdfIn PDF document text
    • http://potawuzaj.medianewsonline.com/43730502873.pdfIn PDF document text
    • http://xemizawufogutuf.scienceontheweb.net/harry_potter_y_el_prisionero_de_azkaban_resumen_capitulo_1.pdfIn PDF document text
    • http://rilomenininun.getenjoyment.net/26039980591.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378390/normal_5febb5829b788.pdfIn PDF document text
    • http://leninuludobodu.mygamesonline.org/grade_5_mathematics_printable_worksheets.pdfIn PDF document text
    • http://zanovekolasin.mywebcommunity.org/cheese_pasta_recipes_vegetarian_indian_style.pdfIn PDF document text
    • https://cdn.sqhk.co/tejosepu/ehjhay7/bouncy_basketball_pc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pezefaxovojole.atwebpages.com/77174346257.pdfIn PDF document text
    • https://ced6af22-cf5f-4df0-9cd6-2d424634d287.filesusr.com/ugd/3eed2b_1ed9af2ab009444eba66aaffeaa75483.pdf?index=trueIn PDF document text
    • https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_d9243503febf4aa2a6d185ca6418e0ee.pdf?index=trueIn 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_off0000e851.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE851 5212 bytes
SHA-256: 95565a769a5a60fbe7cff687501674521f94285e51a804a9a3d1219942de9206
font_01_sfnt_off0000f9ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9EF 10116 bytes
SHA-256: 39d69dc1bba0cc00c76d1be3429972e686acf402b793dbac039b39ba27696740

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