Malicious PDF — malware analysis report

Static analysis result for SHA-256 d59afc3622c13276…

MALICIOUS

PDF

63.6 KB Created: 2020-08-02 23:10:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ba988e358bdcf517d30251f0b4ec9dc SHA-1: 137d3e819eaa9df8e6fd184dbd0ca8ae8e406540 SHA-256: d59afc3622c132763eccf38aa96881dc044bb7a2de0d641178a18d9d6912569a
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a PDF link farm, with numerous links pointing to Shopify-hosted PDFs, likely to manipulate search engine results or distribute further payloads. The embedded URLs suggest a lure to download or visit 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.com/pify?keyword=d%2526+d+3.+5+unearthed+arcana+pdf
    • http://files.ludloweboyssoccer.com/uploads/1/3/1/0/131070402/rosevebewagadegibuwu.pdf
    • http://files.baigoftricksentertainment.com/uploads/1/3/0/9/130969974/5648728.pdf
    • http://files.pierrecyr.ca/uploads/1/3/2/8/132814958/sigel-kozufe-vuviwofisorat-pokuponejetub.pdf
    • http://files.judyatraveny.com/uploads/1/3/1/6/131606762/6809653.pdf
    • https://cdn.shopify.com/s/files/1/0434/7258/4861/files/kigunulosovudu.pdf
    • https://cdn.shopify.com/s/files/1/0435/0282/9734/files/49547742941.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23313492251.pdf
    • https://cdn.shopify.com/s/files/1/0433/9659/5870/files/zubatojedore.pdf
    • https://cdn.shopify.com/s/files/1/0431/5797/9304/files/rapugedisewosefo.pdf
    • https://cdn.shopify.com/s/files/1/0435/3317/2885/files/93744882230.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2581582401.pdf
    • https://cdn.shopify.com/s/files/1/0434/5554/5497/files/82766003730.pdf
    • https://cdn.shopify.com/s/files/1/0431/8901/0593/files/jikatixamotovefiladaxu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9904/6553/files/76459766110.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c41.bin
48524656b3e374db2655985bb23235a78a7fb2c8eb08756719506f3bf9aeaf8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C41 3484 bytes
font_01_sfnt_off000077ad.bin
34e0a1d4af40d85885413204b8658ab8e22b75e9b25d6f176b91fe58b2b06786		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77AD 38148 bytes
font_02_sfnt_off0000c867.bin
4526f65695425d327a794cd9b42a1e7d34c14d96b37020291ac1263321bc4fcc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC867 17784 bytes
font_03_sfnt_off0000e395.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE395 4324 bytes

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