Malicious PDF — malware analysis report

Static analysis result for SHA-256 27d003080885b72e…

MALICIOUS

PDF

39.4 KB Created: 2020-08-30 20:00:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74f2308a27a197229749eabe43ad2923 SHA-1: b9facd261bc181a4e46a3a63db85a719a06bf2ae SHA-256: 27d003080885b72e96549777dad85aa61e06caaadb1bc69227fc79bc2cf487e1
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, directing users to 'https://ttraff.cc/wix?keyword=mining+levelling+guide+ffxiv'. This URL is likely part of a phishing or scam campaign. The document also contains a PDF link farm heuristic, indicating an attempt to distribute content or traffic through multiple PDF links. The presence of embedded URLs further supports the malicious intent.

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=mining+levelling+guide+ffxiv
    • https://static.usrfiles.com/ugd/36f25b_0113aa1532d946a39379bd27e0434e0b.pdf
    • https://static.usrfiles.com/ugd/10e3af_a1773b22fb0b409790882a73a42c2d74.pdf
    • https://static.usrfiles.com/ugd/83b1b3_8688f00b8e894e3faa0f9334f3d90596.pdf
    • https://static.usrfiles.com/ugd/d55797_fd7c759c45e447909cd63acf29fa2018.pdf
    • https://static.usrfiles.com/ugd/b8c837_21485fa6f9214a2188425a7cfd558307.pdf
    • https://static.usrfiles.com/ugd/f0e51d_ce1d0f34be3f4ccca974a8b89d27bb81.pdf
    • https://static.usrfiles.com/ugd/b8c837_11de0c5dc2014f0196e3ad40bd25b310.pdf
    • https://static.usrfiles.com/ugd/9d869b_7c9e314b339e48d48078b1c9e5ebb89c.pdf
    • https://cdn.shopify.com/s/files/1/0439/5276/7131/files/diccionario_biblico_hebreo_strong.pdf
    • https://cdn.shopify.com/s/files/1/0445/4242/7295/files/pesibozumelogaxi.pdf
    • https://cdn.shopify.com/s/files/1/0434/8339/8310/files/7983362586.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_off00005d89.bin
e91e7e16dd213d500e4a47aea27ba941dfd5da5d1dfdae2bbce4f8a2fcac0338		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D89 4724 bytes
font_01_sfnt_off00006dc7.bin
7db826839408f37f19de3142053197e9b105ad128a1899e63ef5d8e29ce67e92		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DC7 10324 bytes

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