Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb30f756de526b01…

MALICIOUS

PDF

153.6 KB Created: 2020-08-29 19:50:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6f985d5a8c8311c88bc420d158b2be56 SHA-1: 3da238d2aee9c3ae3eac7a297cbd83f957bbd939 SHA-256: fb30f756de526b01259fb4be23ceeb0b2de15dea4ada09b17547a0acbaa89182
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.cc/wix?keyword=libros+apocrifos+judios+pdf', is identified as malicious. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect the user to this malicious site.

Heuristics 2

  • 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.
  • 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=libros+apocrifos+judios+pdf
    • https://cdn.shopify.com/s/files/1/0428/1001/5910/files/chief_information_officer_job_description_nhs.pdf
    • https://cdn.shopify.com/s/files/1/0431/2717/7365/files/52462510321.pdf
    • https://cdn.shopify.com/s/files/1/0433/7755/7660/files/muwufamabi.pdf
    • https://static.usrfiles.com/ugd/b8c837_2b4b8a42121b471087c8429618d7b874.pdf
    • https://static.usrfiles.com/ugd/9219f8_eaa781c9c2354e46a3436ea23391abf3.pdf
    • https://static.usrfiles.com/ugd/b8c837_bc4811e10edb45acbd096aa9428404c1.pdf
    • https://cdn.shopify.com/s/files/1/0435/6908/6623/files/beganalep.pdf
    • https://cdn.shopify.com/s/files/1/0431/4886/9786/files/roluzovaxifidu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1741554469.pdf
    • https://cdn.shopify.com/s/files/1/0437/6435/1130/files/solving_equations_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0448/1787/5110/files/33627484201.pdf
    • https://cdn.shopify.com/s/files/1/0431/5598/0439/files/xunilapalabejow.pdf
    • https://cdn.shopify.com/s/files/1/0428/4933/7507/files/90009263614.pdf
    • https://cdn.shopify.com/s/files/1/0435/4015/2479/files/pierre_bourdieu_biografia.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000212fb.bin
19859a1dcab03b7d84d01db50dd9e93ea462087b8c396acd109f2cb1da696c15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x212FB 4852 bytes
font_01_sfnt_off00022376.bin
f66fddbe7704de4732a6d4da302134bc80cd5a758ab99fcd881d1564e6a1ee05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22376 11612 bytes
font_02_sfnt_off00024921.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24921 4324 bytes

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