Malicious PDF — malware analysis report

Static analysis result for SHA-256 7126158a0b5093ed…

MALICIOUS

PDF

71.2 KB Created: 2021-02-14 05:43:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 1da51b06e19641913eceb0847c15dfcf SHA-1: f0639ca94394a6e95e6767d1fc950f053df7b113 SHA-256: 7126158a0b5093ed9c88f56dd2be8ae11d00c92c298ed6f486d05af5b4d555b8
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://baarspo.ru/wix?keyword=donna+the+prima+donna+lyrics PDF link annotation
    • http://xezupotivevilib.22web.org/ukulele_chords_cheat_sheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420029/normal_5fe41bc363614.pdfIn PDF document text
    • https://cdn.sqhk.co/berovanova/RCq1BC8/full_steam_ahead_book_summary.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481990/normal_60259448c4261.pdfIn PDF document text
    • https://zidadosivifaju.weebly.com/uploads/1/3/0/7/130775619/5daf3a12849a27.pdfIn PDF document text
    • https://tivuwamivubi.weebly.com/uploads/1/3/5/3/135384825/6000823.pdfIn PDF document text
    • https://pigulanofalo.weebly.com/uploads/1/3/1/4/131406379/nibiva.pdfIn PDF document text
    • https://cdn.sqhk.co/kisereta/d5hhUde/picture_video_maker_app_for_pc.pdfIn PDF document text
    • http://zofozefevuf.iblogger.org/malaysian_apply_china_visa_application_form.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473432/normal_6000a47fa9900.pdfIn PDF document text
    • http://berozava.iblogger.org/ridetakoz.pdfIn PDF document text
    • https://suvedezu.weebly.com/uploads/1/3/1/3/131379937/72c2605bbcb.pdfIn PDF document text
    • https://cdn.sqhk.co/repudodo/bmqzSie/mutaruwosuzurex.pdfIn PDF document text
    • https://cdn.sqhk.co/bekutojeke/fjhhj6t/6159420695.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
    • http://keladosa.epizy.com/figure_of_speech_worksheets_for_grade_4.pdfIn PDF document text
    • http://povasapodojika.epizy.com/stochastic_oscillator_technical_analysis.pdfIn PDF document text
    • http://ripivetozevulu.epizy.com/classical_ballet_music.pdfIn PDF document text
    • http://vamudeb.epizy.com/gepijekirolor.pdfIn PDF document text
    • http://xofiketur.rf.gd/78351700723.pdfIn PDF document text
    • http://pamiwumewamem.epizy.com/lokibogup.pdfIn PDF document text
    • http://kujafugakare.epizy.com/21189856273.pdfIn PDF document text
    • http://xikapewegoruzom.epizy.com/the_wish_list_barbara_ann_kipfer.pdfIn PDF document text
    • http://zifofupox.rf.gd/11066658525.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_off0000ce38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE38 5204 bytes
SHA-256: 2a314e87fffbeb17a1f6f0f708376955301ac172e861f5d1e078dae64ef233d0
font_01_sfnt_off0000dfb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFB8 9768 bytes
SHA-256: 67920e686e1c56b1711dbff88a66c8c2e5fde29a830476e6120e0cdf39d774f4
font_02_sfnt_off00010139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10139 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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