Malicious PDF — malware analysis report

Static analysis result for SHA-256 799332136dd37bdd…

MALICIOUS

PDF

50.0 KB Created: 2020-09-08 05:38:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bd4b042cf895e1537b315f23ee51d478 SHA-1: 40264311f64e80c81b19e92be94fa044a2b24ebe SHA-256: 799332136dd37bdd8a1cdbb5d176812f06bc48ef37a5b3d2c466421f1e1e7f82
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a link farm designed to redirect users to malicious infrastructure, specifically disguised as a corporate governance policies template. The primary malicious URL identified is https://ttraff.me/pify?keyword=corporate+governance+policies+template, which is part of a known redirector. The document's structure and embedded links strongly suggest a phishing or social engineering attempt to lead the user to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.me/pify?keyword=corporate+governance+policies+template
    • https://cdn.shopify.com/s/files/1/0438/6373/6485/files/bowel_cancer_screening_guidelines_nsw.pdf
    • https://cdn.shopify.com/s/files/1/0430/8225/2442/files/rujuvinunijemoro.pdf
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/kitirudiluvixojovo.pdf
    • https://static.usrfiles.com/ugd/85c99c_6dae45cc83ed497e9f295df11f48d96a.pdf
    • https://static.usrfiles.com/ugd/368de4_a1db7ccc63b5423b97399365388608f0.pdf
    • https://static.usrfiles.com/ugd/35e1ce_913294e40950434db978e48b9d87cc4f.pdf
    • https://static.usrfiles.com/ugd/cf79db_e5204b99ef6841ce8b486aae2d18da1f.pdf
    • https://static.usrfiles.com/ugd/cb4a18_ef9d1e8705254128b25b18683574a777.pdf
    • https://static.usrfiles.com/ugd/974a4e_e00e92887ce0464bb0c707de55abb860.pdf
    • https://static.usrfiles.com/ugd/d8e941_3c7bd1f7af9c4093a909b803a4bd955c.pdf
    • https://static.usrfiles.com/ugd/e2c250_20e56b720fbc4d899e79976af92ab80a.pdf
    • https://static.usrfiles.com/ugd/b8c837_f60e6bf37bba49bab33a35556f3a8162.pdf
    • https://static.usrfiles.com/ugd/7c30af_543e0add86a04f148e89cfc74c387b77.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007a1d.bin
ecd936dc5df5516b62353bddad65a0461eec749d3696b76aff0a697bbce55ca9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A1D 5124 bytes
font_01_sfnt_off00008b75.bin
8acbdefa8d32c9ad6b3443643562388284659755d4916559f7be9f6f12985626		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B75 9780 bytes
font_02_sfnt_off0000aca8.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xACA8 4324 bytes

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