Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb7cfc5cd9d8cb6b…

MALICIOUS

PDF

41.8 KB Created: 2020-08-25 01:02:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 952b55576e32d53b0bcee32c5bfd1080 SHA-1: 9f9e9f73c7feb3b5b5b16afda974caeef5e19aef SHA-256: eb7cfc5cd9d8cb6b0408605aa76c0ab4202b33603737b986339f9ccd72c72009
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, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=atomic+habits+habit+tracker+pdf', is designed to redirect users to potentially harmful content. The document also exhibits characteristics of a link farm, with numerous embedded links, many pointing to Shopify domains, likely for SEO manipulation or to obscure the malicious destination. The presence of multiple PDF links suggests an attempt to distribute or mask the malicious payload.

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/pify?keyword=atomic+habits+habit+tracker+pdf
    • http://files.gabrielesmist.com/uploads/1/3/1/4/131437378/2637491.pdf
    • http://files.berlangadentures.com/uploads/1/3/0/8/130873795/papusowe_buraruteruluruj_zigegafoxuw.pdf
    • https://cdn.shopify.com/s/files/1/0431/5286/7477/files/41892566890.pdf
    • https://cdn.shopify.com/s/files/1/0430/5590/6970/files/acknowledgements_example_for_report.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sibubemazalomasedexikeme.pdf
    • https://cdn.shopify.com/s/files/1/0429/1536/5031/files/18655169640.pdf
    • https://cdn.shopify.com/s/files/1/0429/6045/3785/files/lilusipozafiduwez.pdf
    • https://cdn.shopify.com/s/files/1/0440/2751/0934/files/27963314553.pdf
    • https://cdn.shopify.com/s/files/1/0434/7628/7645/files/jogexebemativunafufevet.pdf
    • https://cdn.shopify.com/s/files/1/0429/6402/5493/files/automatismo_electrico_industrial.pdf
    • https://cdn.shopify.com/s/files/1/0435/6122/2307/files/switzerland_road_map.pdf
    • https://cdn.shopify.com/s/files/1/0434/0980/1365/files/zokoxuxizoki.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_off00006551.bin
dc62fbe872b20671b027c7a7f223365001618edc0e6bdc560cf6fc27a02567f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6551 5556 bytes
font_01_sfnt_off00007806.bin
d2637d7254762b20d45633e9c9a5754876aa070950186f848c837051dea4ee4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7806 10144 bytes

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