Malicious PDF — malware analysis report

Static analysis result for SHA-256 38e00ea87ab34dc3…

MALICIOUS

PDF

74.1 KB Created: 2021-05-30 04:45:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 0453ab9563e284440366dbcc2efc6f75 SHA-1: 5978104093469c964ea2d908e2250ff4da3157b9 SHA-256: 38e00ea87ab34dc3e2d2e715cc34fce32670d104dabca8abe39625829a31f481
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a website that appears to be a lure, possibly for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to financial markets, suggesting a pretext for the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://botokaw.ru/wb?keyword=technical%20analysis%20of%20the%20financial%20markets%20epub%20free PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4374689/normal_6002e36b1216c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483070/normal_5feb4ee419ac7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423696/normal_6018ea74df65c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408582/normal_6018209396138.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482415/normal_600524b815ea9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405899/normal_601949304940f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458837/normal_603447def155f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470689/normal_6062a7ed56282.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367938/normal_602a3dac1dedb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375207/normal_5fca35ac96ca5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473926/normal_6057b41fe0c6e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466151/normal_5ff61b4b7d70e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/8256e191-8bc4-4092-aac2-7a46618a9216/xisigevimiseloko.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/db64b1e6-2308-468d-b9e9-5b1bbae7cb6e/2014_american_buffalo_gold_coin_copy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/33a65fc0-acb0-46dc-a298-f1d515c2ad58/yamaha_djx_2_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c9017b46-b6e4-45fc-b258-8729e0ff7516/86963402282.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2756d5f-1f0c-44f6-b479-57c513269c88/livros_espiritas_romance_gratis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3ae6769a-d714-4747-bee9-7a6f7354e0ef/what_does_1_10_n_30_mean.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1ab210b-c194-4a63-bdea-de498c5489ce/paludokesexalizabi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a3c4378-cf85-49c3-98de-8d8f34d4d5fa/ps_vita_cheapest_price_in_india.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a779e8ce-eae3-40cb-a977-0c93f31616d3/39123194904.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0aed5b0-57aa-4eeb-9cba-1afb57b7b1e8/what_do_you_like_doing_for_fun_yahoo_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7a3957a-3ac3-46c8-a5d0-48eb9ae9d6ae/74575089935.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01c86c0e-fe4d-4d46-b073-1bb9ea95d4bb/how_to_put_a_metal_futon_bunk_bed_together.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_off0000e268.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE268 5512 bytes
SHA-256: c2f3524f843542f38e4333b49c9c2d79aa52a2c9a9355222b16fd951a1788238
font_01_sfnt_off0000f502.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF502 10864 bytes
SHA-256: 5074d56e6197f5e8ec11705fb508dc631975ca9768ac95882ac4a6ff181e7b44

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