Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba7a36a65a26d31d…

MALICIOUS

PDF

36.0 KB Created: 2020-08-31 09:19:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ecab94fd52016cfd2f94eda1a66a5b3 SHA-1: 3d0e28e36acecaaa467aa88705b60d520c30f300 SHA-256: ba7a36a65a26d31d6b31290f0b1c9cb4228963c256690832c205e8b47913c99c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=pokemon+the+power+of+one+dailymotion'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including 'https://cdn.shopify.com/s/files/1/0432/2207/3506/files/motuvoluwa.pdf'. The document body, though heavily obfuscated, contains references to these URLs, suggesting a lure to external malicious 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.cc/wix?keyword=pokemon+the+power+of+one+dailymotion
    • https://cdn.shopify.com/s/files/1/0432/2207/3506/files/motuvoluwa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52209678420.pdf
    • https://cdn.shopify.com/s/files/1/0431/2124/6359/files/kinetic_typography_ppt_template.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/dawn_of_war_retribution.pdf
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/vishnu_aparajita_stotram.pdf
    • https://static.usrfiles.com/ugd/9757e7_57c54cd01ad04059bbcb694d88394882.pdf
    • https://static.usrfiles.com/ugd/34ec99_a9381100f9414327a4850eb8867fb7bc.pdf
    • https://static.usrfiles.com/ugd/9219f8_6021268b62aa443eadd5449c2a069ef2.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef3a5826b81447a38677df76b31ebf58.pdf
    • https://cdn.shopify.com/s/files/1/0435/7337/9230/files/kuvadowojoxases.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuketunaxu.pdf
    • https://static.usrfiles.com/ugd/b8c837_881a93eefdb744b1b6d2a6023ab28a8a.pdf
    • https://static.usrfiles.com/ugd/b8c837_0cbffd95719a48abb4eb29ecff715736.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_off00004907.bin
a17806b6ac1b751fb9e287be01cb88b8ff757690aae02d086ffd0818a48ed424		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4907 5360 bytes
font_01_sfnt_off00005b25.bin
cdd92a6fb946372ad8757b44557d4087643b877b2bb333cb7d562beeb33f51b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B25 12264 bytes

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