Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3512f2e531d463c…

MALICIOUS

PDF

47.6 KB Created: 2020-08-01 19:26:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 74245a4a75f2631790194c9522c8d618 SHA-1: c57921d6c8fc447da37673baac4762287ac38d98 SHA-256: e3512f2e531d463c59aa153afb19aff760cc3fc58797f50259db802db7d0f731
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Microsoft sql command' and a URL that appears to be a lure. This suggests the document is designed to trick users into visiting a malicious site, likely for credential harvesting or further malware delivery. No scripts were extracted, limiting the analysis of specific execution behaviors.

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=microsoft+sql+command
    • http://files.blacksheeprugby.com/uploads/1/3/1/4/131409037/sazodogegigup_xegofonetenen_fotelu.pdf
    • http://files.cbdisegno.net/uploads/1/3/1/0/131070912/dimefopoxe.pdf
    • http://files.oranmormead.com/uploads/1/3/1/0/131070230/zonif.pdf
    • https://cdn.shopify.com/s/files/1/0434/7743/4525/files/sabakof.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wogol.pdf
    • https://cdn.shopify.com/s/files/1/0427/6404/2396/files/4615631258.pdf
    • https://cdn.shopify.com/s/files/1/0432/9301/6222/files/7173703646.pdf
    • https://cdn.shopify.com/s/files/1/0435/9821/7374/files/gudaxetesefetijoted.pdf
    • https://cdn.shopify.com/s/files/1/0429/8106/4853/files/95380301547.pdf
    • https://cdn.shopify.com/s/files/1/0437/9607/0560/files/rejuxosenowod.pdf
    • https://cdn.shopify.com/s/files/1/0432/4671/5040/files/4656201013.pdf
    • https://cdn.shopify.com/s/files/1/0431/3884/2779/files/wojubopokiwefijowutib.pdf
    • https://cdn.shopify.com/s/files/1/0428/9373/8143/files/6468881687.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bugos.pdf
    • https://cdn.shopify.com/s/files/1/0429/9040/3737/files/tusogonuretaxotugepifave.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_off00006cef.bin
1d73f4d00a5fbe9ead0f087ca26c2c88b0691a264aea1b138095512f4831e91b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CEF 4968 bytes
font_01_sfnt_off00007da7.bin
5c6df4f6e7bc5ff36a861f65099a3c7e4c07ff86a67547b98d0aa701beab3afc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA7 11636 bytes
font_02_sfnt_off0000a376.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA376 4324 bytes

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