Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e0313ed49ed94df…

MALICIOUS

PDF

83.3 KB Created: 2021-03-10 19:30:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: aa6049e89118f35eba4e5a3c81cbe335 SHA-1: 84d9a4368467ab781d863c203aba3d51e03921ab SHA-256: 4e0313ed49ed94df467d14a121c1d8f439803bf92c2b966c9df195308cd15b23
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://kuzutuzo.ru/award?keyword=income+statement+and+balance+sheet+of+any+company+pdf PDF link annotation
    • https://cdn.sqhk.co/pijovowifil/gihchhO/change_hangout_skin.pdfIn PDF document text
    • http://powerhdniy.space/blender_2._8_manualagdql.pdfIn PDF document text
    • http://bcpzon4segurabetaviabcp.com/weretikoba2e358.pdfIn PDF document text
    • http://lnstagramverifiedbadge-form.com/maxi_cosi_pria_70_put_cover_back_onvpd5n.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385631/normal_5fd7dea9b6c20.pdfIn PDF document text
    • http://mogimetekojubar.scienceontheweb.net/esv_reference_bible_large_print.pdfIn PDF document text
    • https://cdn.sqhk.co/nolovojawek/jeahbaH/animal_crossing_pocket_camp_gift_guide.pdfIn PDF document text
    • https://cdn.sqhk.co/kewudomavave/eiebghR/95338877637.pdfIn PDF document text
    • http://immortal-sho.club/sword_art_online_arcadevxbz1.pdfIn PDF document text
    • http://bamirajewenexo.medianewsonline.com/crochet_stitch_chart_printable.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463529/normal_602ab5f730628.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4493569/normal_5fe734b513451.pdfIn PDF document text
    • https://cdn.sqhk.co/fepixuzutol/TwlrsO0/speed_racing_pro_3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490369/normal_5fce25d56aae9.pdfIn PDF document text
    • http://dalnoboyi.xyz/39644655012unbsx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413707/normal_602160e82dc0f.pdfIn PDF document text
    • https://cdn.sqhk.co/jidulopavoji/gbjaiim/76907150630.pdfIn PDF document text
    • http://help-bluebadgecenter.com/14789854102si9ok.pdfIn PDF document text
    • http://pumba.fun/which_greek_god_is_your_parent_percy_jacksonvupfl.pdfIn PDF document text
    • http://stikc.xyz/mogodaduxojodedoxokiwueu9g4.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/bokexizometun/census_application_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/toliwudalamem/baxexuruwedukoliwabumir.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fab5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAB5 5220 bytes
SHA-256: a7b5bac22e171f3526f548ce75eee757affeea97c421fff5d764d80f8dc65c14
font_01_sfnt_off00010c3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C3E 10672 bytes
SHA-256: 7c389b968ff030cf245f0082d67dff691bc6ab6719fd3c6b738bba47e4f1dabd
font_02_sfnt_off000130c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x130C1 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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