Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dd6c2ec05210406…

MALICIOUS

PDF

83.1 KB Created: 2021-05-21 05:57:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: f575c6b3e1e71bc9c9c89a5377012541 SHA-1: c035d2b33b74f127270a76939c118ab1615bdebe SHA-256: 0dd6c2ec052104066be44fc8f9261cc67d53b6ecceabd1a0e180b0b7ed2c45ca
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'https://dugedepap.ru/strik?utm_term=forza+horizon+5+release+date+2020+trailer', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, contains keywords related to 'Forza Horizon 5 release date 2020 trailer', suggesting a lure to attract users to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://dugedepap.ru/strik?utm_term=forza+horizon+5+release+date+2020+trailer PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4404990/normal_5fefb28982b72.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481834/normal_60053366d74ea.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408463/normal_601143545c2eb.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
    • https://s3.amazonaws.com/fajetufekejo/html_color_palette_template.pdfIn PDF document text
    • https://s3.amazonaws.com/fizufapu/small_gods_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/vidadaviwal/jdk_7_linux.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c76d829-19a7-4dc6-8b54-3907f4e54e4f/wosuwosamaporesitegafup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49ba4c2c-16ab-43f7-80d1-23ccb35a86af/naxasosudusejadapi.pdfIn PDF document text
    • https://s3.amazonaws.com/nuruvapozixix/monaziluverujas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0d619df-1f40-4906-97ca-7c110c674c3a/zejenubedafisu.pdfIn PDF document text
    • https://s3.amazonaws.com/salosibejodod/2019.pdfIn PDF document text
    • https://s3.amazonaws.com/jubiferekaka/windows_keyboard_shortcuts_move_window.pdfIn PDF document text
    • https://s3.amazonaws.com/xunilukegez/rotipudutizagotawepet.pdfIn PDF document text
    • https://s3.amazonaws.com/rebomedug/85012527641.pdfIn PDF document text
    • https://s3.amazonaws.com/toniseligiwuzux/apache_server_64_bit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aae9457b-cf04-419b-a93e-01cae15e3703/12048545975.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a7ee850d-c6a0-437c-86d6-53679a99dc4a/77845747004.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b8e525b9-da58-4fd0-97ee-f6e9cb9fa0bf/lorex_eco2_replacement_camera.pdfIn PDF document text
    • https://s3.amazonaws.com/legapatatezisa/fudikesuruwutotajedur.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_off0000f69b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF69B 5104 bytes
SHA-256: 1b2edffcc92788325517a83b9ddbc4b9fdf8ee724a9c9425f89f44ea4f02fee6
font_01_sfnt_off000107ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107EF 12664 bytes
SHA-256: 882e0b4c00f43d78797d404136dc95649af01b7cb0846e3e400a620ca77b93dd
font_02_sfnt_off0001312e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1312E 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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