Malicious PDF — malware analysis report

Static analysis result for SHA-256 9675f4ec8cb2fd60…

MALICIOUS

PDF

40.2 KB Created: 2020-08-30 21:01:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f0dc0c4b90ea30b2eb0850f2c712588 SHA-1: 041cedfc48a08bc62ddde99943f666e3e3df19d3 SHA-256: 9675f4ec8cb2fd604cd1905838ddb3e37e8263575c8f512d08bdfeb7776be2f1
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a technique often used for SEO poisoning or to distribute malicious content. One of the embedded URLs, https://ttraff.com/wix?keyword=super+mario+63+games, is flagged as a known malicious redirector. The presence of numerous links, including this malicious one, suggests an attempt to direct users to potentially harmful sites.

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.com/wix?keyword=super+mario+63+games
    • https://static.usrfiles.com/ugd/1a89c8_95833feaf74f4c3290b04d4ecec7a2a2.pdf
    • https://static.usrfiles.com/ugd/d7ba0f_c10ad8a020d04f899192e5627dac3acb.pdf
    • https://static.usrfiles.com/ugd/b8c837_9dab5f8518744f5480a8a1142c8bc6f9.pdf
    • https://static.usrfiles.com/ugd/b8c837_1de87f838e7b449388f40ad979f462a4.pdf
    • https://cdn.shopify.com/s/files/1/0434/4496/1436/files/29208306266.pdf
    • https://cdn.shopify.com/s/files/1/0428/4982/9023/files/gegasirigepebede.pdf
    • https://static.usrfiles.com/ugd/2c8d66_909bba51eece41a8a9c0cd9e6c1cd24a.pdf
    • https://static.usrfiles.com/ugd/b8c837_39835e4bb17e4edfab816511a3ef0091.pdf
    • https://static.usrfiles.com/ugd/7dd30d_87d700ff937c4733b3b0d8ed67858057.pdf
    • https://static.usrfiles.com/ugd/b8c837_81e8c549e290426da2139fed73d8dbea.pdf
    • https://static.usrfiles.com/ugd/b8c837_cfa17985ca154f1aa7a4b9e967223679.pdf
    • https://static.usrfiles.com/ugd/10b11f_41212622827a46249957682081b46696.pdf
    • https://static.usrfiles.com/ugd/88a84f_9d69659f2dd14edd86bbd8e1c6728ab1.pdf
    • https://static.usrfiles.com/ugd/cdb50c_5ae6671bbc12421d9343e24ca37cef61.pdf
    • https://static.usrfiles.com/ugd/b8c837_69ac3770fcc0410eac93eacff9e17f07.pdf
    • https://static.usrfiles.com/ugd/79e0dc_1a3874a2020e4240a8acd588f9c8c715.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_off000058c4.bin
63af84ff8e3871c0f4537f2b45722af1085d3081088ab99cf7e547382b1cd208		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58C4 5528 bytes
font_01_sfnt_off00006b71.bin
142bb04bacfd4a6d51c91b0af3e99d10343269540798b9860f593038e9418f43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B71 12696 bytes

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