Malicious PDF — malware analysis report

Static analysis result for SHA-256 e19691168dd7cadf…

MALICIOUS

PDF

38.8 KB Created: 2020-08-31 10:03:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e42dcd823d46032e8f0afe11044f9c9 SHA-1: 87934625821c35cefa5b11df2ecfdcd1242b8ee8 SHA-256: e19691168dd7cadf48644f7acee235ae4f0953ae22a0c9e632c8d820ce6c0c03
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a mass of external links, masquerading as a save data file for the game 'Shin Budokai 2'. One of these links, https://ttraff.cc/wix?keyword=shin+budokai+2+save+data, is identified as a malicious redirector. The document's structure and embedded links strongly suggest a phishing or redirection attempt to malicious infrastructure.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://ttraff.cc/wix?keyword=shin+budokai+2+save+data
    • https://cdn.shopify.com/s/files/1/0430/7622/3129/files/17738148622.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2791/files/ratio_analysis_of_insurance_companies.pdf
    • https://cdn.shopify.com/s/files/1/0432/2135/2606/files/goldman_s_cecil_medicine_26th_edition_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0429/3260/0985/files/abituriyent_jurnali_2018_ykl.pdf
    • https://static.usrfiles.com/ugd/7baf93_b10deee0c3a046699d12a6c718639c1e.pdf
    • https://static.usrfiles.com/ugd/b8c837_0a8ca4a5a50c47028ce5fe13b746f482.pdf
    • https://static.usrfiles.com/ugd/7ea8bb_97ae86a622e3450fbbd3be8b396e40bb.pdf
    • https://static.usrfiles.com/ugd/7c30af_d8897f7713774804b8d0aec919679ceb.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0e00486f5c64b769699da40d123d8b1.pdf
    • https://static.usrfiles.com/ugd/0e2875_bd2cb45875f541628f28b038728239a5.pdf
    • https://static.usrfiles.com/ugd/6cf0f5_8db385624fcf430887ea11e236d023d5.pdf
    • https://static.usrfiles.com/ugd/b8c837_6d8407c9959e4ee9ae53b1189bb69f36.pdf
    • https://static.usrfiles.com/ugd/3de8a6_04ae5880edad4ca0ad15c0b8b3bf1c83.pdf
    • https://static.usrfiles.com/ugd/6c032c_52896176589445eabe2043250ab56777.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000058fb.bin
f05c133dbed4a587fb70c90c311dfdee4b21f4c9b3e1c5d580de56c34c65d435		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58FB 5284 bytes
font_01_sfnt_off00006aeb.bin
6ff4e03e04c181e93acfd7c99f4bbbcb653fef088e2c73a15bb815dee16f64ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AEB 10420 bytes

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