Malicious PDF — malware analysis report

Static analysis result for SHA-256 e46c1dc5b7f2d8b7…

MALICIOUS

PDF

89.1 KB Created: 2020-11-30 05:40:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 978b4d3ea3e7cc20ab51c549b5df8407 SHA-1: ba444285c27dcd6911bf4225cceb11400a799a87 SHA-256: e46c1dc5b7f2d8b79ebfc4cdfec8ccf47e469ca5cba3bf2f25e01fcbc1685e27
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier. It contains an embedded URL that leads to a suspicious domain, likely intended to trick the user into clicking it for a live stream. No scripts were extracted, but the overall structure and embedded URL suggest a phishing or malicious redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://trafffi.ru/strik?utm_term=bisping+vs+henderson+live+stream PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366009/normal_5f8e303370cf6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384036/normal_5fb5bb901c23c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408703/normal_5f959b6d394fa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://uploads.strikinglycdn.com/files/3760d568-6872-4db7-a580-f047c2f5c8a1/kesupixodazijol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9779ff3f-073d-40fa-8847-7ee11e254bdf/quadratic_function_in_standard_form_converter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/937374e1-0db7-46c3-8934-99e1997cc577/boundaries_when_to_say_yes_how_to_sa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/60e16a84-c43a-4f70-97d8-0e05cc578955/63913189756.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1b243906-3936-474f-8675-0351cb9ac5b3/xujirositozeviv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c6e57f6-6fb8-49a1-bc3e-53df70bc770b/zeditixozigulabibajex.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/163d897d-0650-47ba-bd43-ac9e70182887/71189460057.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd4670ec-b27d-42dc-83b8-d54685e0e337/90126486267.pdfIn PDF document text
    • https://s3.amazonaws.com/kukazowox/fegajepati.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c23fdd5e-e3d4-4071-b991-b4215564eebe/valores_corporativos_de_una_tienda_de_abarrotes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95e8e00d-20da-4277-8194-ac2a18985673/39921117808.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011011.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11011 5484 bytes
SHA-256: 6f2fa86f3f0b34fcd5bba631d7265b2453d189f71588f096978c11449dc57733
font_01_sfnt_off0001228b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1228B 6148 bytes
SHA-256: 4910d0177da9f60ecc92c13a34fae8c5c38ffafb9e4e22a3c3fd987548b79157
font_02_sfnt_off0001326c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1326C 10724 bytes
SHA-256: 67c0aade24e5fe2546b1dd78e63d1ab5959943b5325d068ca60d7eba74a8702a

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