Malicious PDF — malware analysis report

Static analysis result for SHA-256 cfce7bee6298a8a6…

MALICIOUS

PDF

40.8 KB Created: 2020-09-04 01:44:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 75719d2ef81ae285245258767dde0ab3 SHA-1: bc5774af03f831a391b47bedabb8534c2de0820d SHA-256: cfce7bee6298a8a6c1f20fc93f9cf87bb2d3751781081757e315fb02f822589e
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, pointing to 'https://ttraff.me/wix?keyword=money+money+money+cabaret+sheet+music'. This URL is presented within the document body, suggesting a social engineering lure. The PDF also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, many hosted on 'static.usrfiles.com'. The primary malicious URL is the most significant IOC, likely serving as a gateway to a malicious payload or phishing page.

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/wix?keyword=money+money+money+cabaret+sheet+music
    • https://static.usrfiles.com/ugd/0047a4_370bb1e38665433aa8e3b978ec5830e5.pdf
    • https://static.usrfiles.com/ugd/c81504_6635e6b277ef47b7814401662f846909.pdf
    • https://static.usrfiles.com/ugd/930050_4564828f41b44e6b92b35d34e8827236.pdf
    • https://static.usrfiles.com/ugd/a2ebd8_67cd8f9f97764c1f9e0c9d33aa0dd841.pdf
    • https://static.usrfiles.com/ugd/1ee69b_7452e6eec8f1483a83baa0368b01d655.pdf
    • https://static.usrfiles.com/ugd/4c7633_2d9f96f8d2af4f5b873a5c9fdebd8320.pdf
    • https://static.usrfiles.com/ugd/2e4eb4_79b86c0ba01d4bfb81a6f7e4fffe8a5f.pdf
    • https://static.usrfiles.com/ugd/5e8de6_8818a59cece044d2b6995ca9eeba88ac.pdf
    • https://cdn.shopify.com/s/files/1/0433/7490/3452/files/fugoledakenomabufijemetir.pdf
    • https://cdn.shopify.com/s/files/1/0440/4844/9701/files/advancing_vocabulary_skills_4th_edition.pdf
    • https://static.usrfiles.com/ugd/3826db_b5a80e8a02724a5d876be0d76c86b174.pdf
    • https://static.usrfiles.com/ugd/493135_d38607470cc942f788a75d2c2bfeb832.pdf
    • https://static.usrfiles.com/ugd/05301a_91f9be231b02409080c39c70711a35a5.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_off00004b9b.bin
6c989fa7b68de0ecc4bb5c3d57e16cc28547a566c2d9a6a90101db4eb75117c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4B9B 5256 bytes
font_01_sfnt_off00005d5b.bin
64ecea3f9c80a4e56c9d0113e67b55a9d62cb2916069d8e9c1cdf5f1d60ae89c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D5B 10452 bytes
font_02_sfnt_off0000814c.bin
46d9b83afd797048ab251ddfc9ca9a6db44f3280724c231f6a80a061bcc6fc12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x814C 16120 bytes

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