Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e96196c72f12e4a…

MALICIOUS

PDF

71.4 KB Created: 2021-02-14 18:40:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ebdc37f91012f408201e71c169bbbd5f SHA-1: bb250f1ae1ac4b109f80d9de67fd30e5b7d5b8c3 SHA-256: 7e96196c72f12e4aec074fafd63cd56c41b9d665d707067835aa414e2cd4b82d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/wix?keyword=niles+north+athletics PDF link annotation
    • https://guvolobojifo.weebly.com/uploads/1/3/4/7/134733869/melafevasowexe.pdfIn PDF document text
    • https://talokawibameze.weebly.com/uploads/1/3/4/0/134000376/894543.pdfIn PDF document text
    • https://voxesisa.weebly.com/uploads/1/3/4/3/134349259/xolewu.pdfIn PDF document text
    • http://cosmostil.top/74461421244se0qn.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382004/normal_6012a760ea351.pdfIn PDF document text
    • http://theharaka.online/vutifukevatcs1c.pdfIn PDF document text
    • http://stalekost.site/24375404343d0olu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472503/normal_5fdf4d47d713f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470841/normal_6013f04a6615f.pdfIn PDF document text
    • http://devgm.design/20140222179i77vg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461205/normal_5ff54afb197a8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415756/normal_600250218ab4f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481052/normal_5fef8b9097eff.pdfIn PDF document text
    • https://sozatoma.weebly.com/uploads/1/3/4/4/134484551/02e2d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377704/normal_5fd161ab21fd4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464878/normal_6028fe20488b6.pdfIn PDF document text
    • https://parafobosa.weebly.com/uploads/1/3/1/8/131857791/vuwuwu_suzotatinumetiz_guwosujikovi_dupujukopovalis.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/sazariwapa/crepe_myrtle_pruning_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/fotepopunaj/shadowrun_antumbra_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/kuxegu/46235101571.pdfIn PDF document text
    • https://s3.amazonaws.com/fazujo/61129154808.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_off0000dd9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD9C 4856 bytes
SHA-256: 59ad0b1e45d92e27ae847bf9086a836e4ea75bbe657d06a5411005de4b3b8813
font_01_sfnt_off0000ee18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE18 10080 bytes
SHA-256: f8e221cfdddd989a22ec3f6752dff11d94f300ac4cb38a836678a08a29deebc7

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