Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d54b215fc030e02…

MALICIOUS

PDF

46.0 KB Created: 2020-08-18 20:53:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 14d3f71d7356b0fb9daeee5ae9caba09 SHA-1: 920841304b71974d11f87dfc6d3d3890c8a82fdc SHA-256: 8d54b215fc030e02e25d8e6d3c09593fa0c288457d8682d6afd95835a8a612e0
128 Risk Score

Malware Insights

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

The PDF contains a prominent call-to-action button and embedded links, including one pointing to a known malicious redirector. The document body text, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=your+uninstaller+2010+full+crack', suggesting a lure for cracked software. The PDF also hosts a link farm of other PDFs, likely for SEO manipulation to increase visibility.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=your+uninstaller+2010+full+crack
    • http://xonut.winnipegjazzorchestra.com/uploads/1/3/2/6/132681670/9cff4f6.pdf
    • https://cdn.shopify.com/s/files/1/0430/3768/7962/files/disejutozuwafutujumojabu.pdf
    • https://cdn.shopify.com/s/files/1/0430/4273/4237/files/184801632.pdf
    • https://cdn.shopify.com/s/files/1/0429/0173/3542/files/17645817996.pdf
    • https://cdn.shopify.com/s/files/1/0436/4887/6697/files/lobepusadofisarosal.pdf
    • https://cdn.shopify.com/s/files/1/0428/4959/9644/files/94900370111.pdf
    • https://cdn.shopify.com/s/files/1/0437/5665/0650/files/eminem_lose_yourself_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdf
    • https://cdn.shopify.com/s/files/1/0435/3985/7572/files/gakupoporuzin.pdf
    • https://cdn.shopify.com/s/files/1/0437/7722/8957/files/didobo.pdf
    • https://cdn.shopify.com/s/files/1/0459/8271/1970/files/61925218004.pdf
    • https://cdn.shopify.com/s/files/1/0429/8869/9802/files/v_sao_file_khng_in_c.pdf
    • https://cdn.shopify.com/s/files/1/0430/1769/9477/files/fikajutavulelegig.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_off00006fd4.bin
3dcd19d71886bd8783cd19b1c0314947c290e7db0b9da264affba76dd762d534		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD4 5228 bytes
font_01_sfnt_off000081a9.bin
d36ce950fa10db94cf510186ed82427515ccc4af69554a68aee7e0ac4a58e51a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81A9 12900 bytes

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