Malicious PDF — malware analysis report

Static analysis result for SHA-256 58779b64b297168c…

MALICIOUS

PDF

71.1 KB Created: 2021-02-12 02:53:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: bb29add21a862568435fa4cb6ae2bdec SHA-1: 49d7cd2911d98fcea5d6aa6694585373f1a70499 SHA-256: 58779b64b297168c8d0439697ad8b34ec02b60bed6a416fdfce3cc1a44b349f4
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URL pointing to 'maypoin.ru', which is suspicious and likely serves as a lure for phishing or malware delivery. The document body, though heavily obfuscated, contains text related to 'Destiny 2 menagerie weapons spreadsheet', suggesting a social engineering pretext.

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://maypoin.ru/wb?keyword=destiny%202%20menagerie%20weapons%20spreadsheet PDF link annotation
    • https://cdn.sqhk.co/fekawitaxug/eEnomTw/secret_of_mana_characters_change.pdfIn PDF document text
    • http://3gusevshop.space/information_meaning_in_assamesefnsi3.pdfIn PDF document text
    • https://cdn.sqhk.co/parabeset/gcgj9ij/does_the_spy_ninja_noise_enhancer_work.pdfIn PDF document text
    • http://mugedly.xyz/physioex_exercise_7_activity_3hpq8j.pdfIn PDF document text
    • https://cdn.sqhk.co/vetukalujir/jdNPid1/stress_balls_gummies_reviews.pdfIn PDF document text
    • http://alania365.ru/vupakusesinikividuvinakuqzn0g.pdfIn PDF document text
    • https://cdn.sqhk.co/xaranoraf/fidjeD2/96404779337.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/pegozegi/47079248112.pdfIn PDF document text
    • https://s3.amazonaws.com/viregujipowuru/latujumog.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/32322525895.pdfIn PDF document text
    • https://s3.amazonaws.com/lazolu/philips_respironics_dreamstation_cpap_with_humidifier_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/make_app_from_google_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/vukolexifize.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/83551583726.pdfIn PDF document text
    • https://s3.amazonaws.com/firigugixujotov/lageguwejoboro.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_off0000d9a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9A3 5664 bytes
SHA-256: 993b5f4c2ecb180ee524efa6af39d96e8b3fd668489e8e58db41c8255bd5b4f1
font_01_sfnt_off0000ecdb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECDB 10188 bytes
SHA-256: 67f1139266c6a9e5b2e464c5eedc2fbad6a37d2395a57f06e0d9fa84103af768

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