Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ebef8227246714e…

MALICIOUS

PDF

70.0 KB Created: 2021-03-01 03:26:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 138958912954092329b305b6f48f00a7 SHA-1: 7906432a11575c8dadad60b0ec5c56289f826408 SHA-256: 6ebef8227246714eda86f34264c3a26de8e6dc62c5b057c0933598896ccd3e82
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that points to a domain associated with malicious activity, as indicated by ClamAV and ML detection. The document body, though heavily obfuscated, appears to reference 'Jimi hendrix little wing tab songsterr', suggesting a lure to attract users to click the malicious link. The presence of multiple embedded URLs and the high ML score strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jumiwimov.ru/123?utm_term=jimi+hendrix+little+wing+tab+songsterr
    • https://zanokelalugabu.weebly.com/uploads/1/3/5/3/135315143/6465221.pdf
    • https://demifezi.weebly.com/uploads/1/3/1/3/131379940/9186967.pdf
    • http://helplnstagramoffice.com/data_analysis_google_sheets8dihz.pdf
    • https://juposuwidamad.weebly.com/uploads/1/3/1/4/131406248/ce1e35c274363.pdf
    • http://tonagruz.ru/hwy_17_accident_reportfx8if.pdf
    • http://eslife.pro/38107432108cvdml.pdf
    • http://yewes.space/rupekusowefulamalegopanomi5ih.pdf
    • https://cdn.sqhk.co/nexifatogex/YhhIcj0/dragon_quest_of_the_stars_guide.pdf
    • https://cdn-cms.f-static.net/uploads/4502906/normal_5fe6642cd2cb0.pdf
    • http://dorulezebum.sportsontheweb.net/what_does_neo_gothic_mean.pdf
    • https://gigufeti.weebly.com/uploads/1/3/4/6/134633464/3992117.pdf
    • http://b0xberry.online/the_woman_in_the_window_trailer_espaolinrhy.pdf
    • https://cdn-cms.f-static.net/uploads/4470689/normal_60254220bf273.pdf
    • https://gavevuroboba.weebly.com/uploads/1/3/5/9/135959422/4282758.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://wejajesenopezoj.onlinewebshop.net/how_to_replace_a_lost_drivers_license_in_manitoba.pdf
    • http://ligujizulogi.atwebpages.com/orc_mount_trainer_bfa.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d401.bin
ea0483c74565786b6ce103092e35ced72f80f9cbf89924abd5ce47745b0fed7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD401 5528 bytes
font_01_sfnt_off0000e6ae.bin
f2dfd2d29a42439e85efcb1bbb7c3c9019211f293f2fd4f2595ebf36d52ae43d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6AE 10652 bytes

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