Malicious PDF — malware analysis report

Static analysis result for SHA-256 a636d1c15c8adefa…

MALICIOUS

PDF

71.8 KB Created: 2021-02-15 20:59:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: bf8f36e8a0dd4ee1a4b0eca3554182bc SHA-1: 541b836da94861730f05ceb35c8b25430bbf8fc5 SHA-256: a636d1c15c8adefadfc0d12041333315b238d165a74d83f7a064a52a8d1a879f
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://baarspo.ru/wb?keyword=can PDF link annotation
    • http://mimasajikataza.iblogger.org/total_coliform_sample_holding_time.pdfIn PDF document text
    • http://mynasert.online/purpose_driven_life_audiobookkkctt.pdfIn PDF document text
    • https://cdn.sqhk.co/zifakepavax/MthhO8S/4x4_jam_hd_apkpure.pdfIn PDF document text
    • https://cdn.sqhk.co/zixapegof/ifijEKH/regaragafejobutowojujilu.pdfIn PDF document text
    • http://pixubak.iblogger.org/fresco_play_python_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuzajomugi/yjfia6x/bakers_deal_of_the_day_november_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/kawonidoza/w4Bjegh/61339863894.pdfIn PDF document text
    • https://cdn.sqhk.co/jeporikate/2jgihdQ/47352192136.pdfIn PDF document text
    • https://cdn.sqhk.co/tamoravuwera/jgh2Xib/flip_or_flop_new_season_2020_episodes.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/xijilesuzuxo/56534617237.pdfIn PDF document text
    • https://s3.amazonaws.com/jedobufudajewu/87052860235.pdfIn PDF document text
    • http://mevonaku.rf.gd/gutarakarekeratapuxesa.pdfIn PDF document text
    • https://s3.amazonaws.com/fadobirak/clawback_letter_template.pdfIn PDF document text
    • https://s3.amazonaws.com/sajezife/new_albums_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwuxot/cartoon_photo_editor_apk_uptodown.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_off0000da8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA8A 5872 bytes
SHA-256: 54ed287ecc23c4380188d69d33ee09ab7ec982a5263aa881e60f680140537870
font_01_sfnt_off0000ee74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE74 10524 bytes
SHA-256: 3b116ae8faab9db067ed6def295bd01c4477f7f263537bb736ef81ddbc2c05ea

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