Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1f2f47d19b184bb…

MALICIOUS

PDF

38.5 KB Created: 2020-07-31 19:01:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63393379a901b930dbcc5fae118c9bf4 SHA-1: 12822cb670ee25011b514b2cb808e7691e0faa49 SHA-256: e1f2f47d19b184bba2ad04e0e9f5b7e1e8da9d37a594982ba3698feaf1cc10b2
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=first+lady+missing+you', which is flagged as malicious. This suggests the document's primary purpose is to redirect the user to malicious infrastructure, likely for further exploitation or phishing.

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.ru/pify?keyword=first+lady+missing+you
    • http://files.grandpacarlsletters.com/uploads/1/3/0/7/130740298/9934910.pdf
    • http://files.surfstylesgalveston.com/uploads/1/3/2/6/132681690/wimax.pdf
    • http://files.shaking-the-tree.com/uploads/1/3/2/8/132815019/midozuvuwowowa-kizozokudefawo-giropojawu.pdf
    • http://files.coonambleagfieldday.com/uploads/1/3/1/4/131454355/5072397.pdf
    • http://files.canagnos.com/uploads/1/3/1/0/131070212/gesidoz.pdf
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/89277853133.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/58085676994.pdf
    • https://cdn.shopify.com/s/files/1/0435/9494/0575/files/42082089788.pdf
    • https://cdn.shopify.com/s/files/1/0431/9333/5970/files/24476871083.pdf
    • https://cdn.shopify.com/s/files/1/0432/2518/6466/files/84284637592.pdf
    • https://cdn.shopify.com/s/files/1/0430/5757/8137/files/fifoku.pdf
    • https://cdn.shopify.com/s/files/1/0428/4396/3548/files/xunuzodujinef.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdf
    • https://cdn.shopify.com/s/files/1/0430/8379/2548/files/webemumezufusawu.pdf
    • https://cdn.shopify.com/s/files/1/0429/4819/8556/files/86308532163.pdf
    • https://cdn.shopify.com/s/files/1/0434/1714/1415/files/22669088479.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_off00004dae.bin
49d86443e8f52fd966eeefb8d433403f69b418a3365a9f6a8b88bfd5bdcd6f68		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DAE 4968 bytes
font_01_sfnt_off00005e6d.bin
6e9576fbf9f8c8081486cc75ea64c2d9a190186006cd651cd731f1794366b850		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E6D 9620 bytes
font_02_sfnt_off00007f3e.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F3E 4324 bytes

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