Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b9b4df14b86041d…

MALICIOUS

PDF

75.4 KB Created: 2020-08-30 21:37:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3dd3701e16ee71f3a318d3ac2383c493 SHA-1: c7ef3e94bd862adc62ec6b2a14f87cc5efc91994 SHA-256: 2b9b4df14b86041d6005de9d61d16c73476bde9285fcf1190e2de747a4bef69a
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.com/wix?keyword=panasonic+lumix+dmc-+lx10k', points to known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to contain metadata related to a Panasonic camera and the wkhtmltopdf tool, suggesting a lure or disguise. The presence of a link farm and a malicious redirector strongly indicates an attempt to lure users to a malicious site.

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=panasonic+lumix+dmc-+lx10k
    • https://cdn.shopify.com/s/files/1/0431/4244/7261/files/business_model_canvas_template_docx.pdf
    • https://cdn.shopify.com/s/files/1/0434/8801/8594/files/polotenevet.pdf
    • https://cdn.shopify.com/s/files/1/0440/6883/1382/files/74918731460.pdf
    • https://static.usrfiles.com/ugd/91e123_7a9c66ce39ed444a94726d6fd9d12f6e.pdf
    • https://static.usrfiles.com/ugd/7603ae_e7598c1f83c54ade9f92635ad9e40543.pdf
    • https://static.usrfiles.com/ugd/b8c837_88cba62e2da04a3b9fda8a00b430dbeb.pdf
    • https://static.usrfiles.com/ugd/5ecadc_8d0c0da692984d8eac15f2d98fa52a53.pdf
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/31044570930.pdf
    • https://cdn.shopify.com/s/files/1/0431/0636/9703/files/75161755747.pdf
    • https://static.usrfiles.com/ugd/a4e402_2038ac5fe0774621a0e4f9b72e92a5c9.pdf
    • https://static.usrfiles.com/ugd/906e9f_07ef9d96d8ca4c908e0ad461d44aa3f8.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_off0000dec6.bin
ee95c9b48ffb5e5e8c3d806bf60f85678f73711553cabdacaa41a2ed5f6a1b3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDEC6 5348 bytes
font_01_sfnt_off0000f0eb.bin
098932e72573f66a1bc9e0b79a0c40d31f1eda184c912782aa450813efc736d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF0EB 15488 bytes

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