Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd038d969fe70b1…

MALICIOUS

PDF

36.6 KB Created: 2020-09-08 07:00:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68a46d69ab4bc74128e78217623abba5 SHA-1: 0f46ddebafc2c27ae31ae452e2c8150b92e8eb76 SHA-256: 3dd038d969fe70b132e98c5b33c2d4f294747627914eca1eb290296fef4c0b4b
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 common technique for distributing malicious content or conducting phishing attacks. One of these links, 'https://ttraff.club/wix?keyword=define+balanced+report', is flagged as a known malicious redirector. The presence of numerous other links, including to PDF files hosted on static.usrfiles.com and cdn.shopify.com, suggests a link farm designed to obscure the ultimate destination or to appear as legitimate content.

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.club/wix?keyword=define+balanced+report
    • https://static.usrfiles.com/ugd/daca0d_b456c1dcfa27481cb1a5934a0448d5f9.pdf
    • https://static.usrfiles.com/ugd/0a593f_b0a8eeef6012407fa8eb1d3a65c729a9.pdf
    • https://static.usrfiles.com/ugd/4cf28d_ff9540689d074bf9a552ee0863428ded.pdf
    • https://static.usrfiles.com/ugd/1e32c2_c8bd205c42714aab83338054d5790f2e.pdf
    • https://cdn.shopify.com/s/files/1/0427/6181/4172/files/laparuvapiwafanu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4118/5189/files/zigisefafepulenobatunirab.pdf
    • https://cdn.shopify.com/s/files/1/0440/3298/3190/files/butterfly_outline_template_printable.pdf
    • https://cdn.shopify.com/s/files/1/0430/6989/8914/files/29045397776.pdf
    • https://cdn.shopify.com/s/files/1/0435/4975/3493/files/petuperojukekemu.pdf
    • https://cdn.shopify.com/s/files/1/0439/8258/6014/files/bupudasuloborizex.pdf
    • https://cdn.shopify.com/s/files/1/0434/2205/6600/files/zovobeladavapap.pdf
    • https://cdn.shopify.com/s/files/1/0437/4472/3098/files/extron_dtp_hdmi_4k_230_rx_datasheet.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_off000051e1.bin
7ab8526401fea0dc8a751dc1caf4d14513f65b835daa64cc992eb5d7ae6ab726		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51E1 5112 bytes
font_01_sfnt_off00006354.bin
33030f02bf1027d57bce7ad7595b008d424e9c7039e4c2ec1dc6658a09a7c6a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6354 10144 bytes

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