Malicious PDF — malware analysis report

Static analysis result for SHA-256 593e6f5e33731648…

MALICIOUS

PDF

49.7 KB Created: 2020-08-03 11:45:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86180cbf45f0c75640e13c310484933d SHA-1: ca2b5203b2c9e9e17f5881357bcd03dbcbf79bc0 SHA-256: 593e6f5e3373164876406dfba9380951e4131fd433c8b365287afeb070b1c49b
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector, ttraff.cc, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the URL that triggers the malicious redirector, suggesting a lure to a malicious site.

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.cc/pify?keyword=surah+al+mulk+pdf+in+english
    • http://files.dcpolicefoundation.org/uploads/1/3/1/6/131607522/253146c9e5d7c.pdf
    • http://files.850plants.com/uploads/1/3/1/3/131379696/698226.pdf
    • http://files.gilberttutoring.com/uploads/1/3/0/7/130740158/3852112.pdf
    • http://files.auntiejaniceentertainment.com/uploads/1/3/1/3/131379456/7282407.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/67726347991.pdf
    • https://cdn.shopify.com/s/files/1/0430/3811/3955/files/95699007250.pdf
    • https://cdn.shopify.com/s/files/1/0432/7663/2217/files/73062115179.pdf
    • https://cdn.shopify.com/s/files/1/0431/2511/2994/files/357988503.pdf
    • https://cdn.shopify.com/s/files/1/0435/3448/3616/files/98135929620.pdf
    • https://cdn.shopify.com/s/files/1/0432/0450/9853/files/19846445776.pdf
    • https://cdn.shopify.com/s/files/1/0431/7092/2655/files/77421403622.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.pdf
    • https://cdn.shopify.com/s/files/1/0432/4166/8775/files/51380358077.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sozolomunegodufedawugiwe.pdf
    • https://cdn.shopify.com/s/files/1/0431/8488/1825/files/61191022204.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_off00006c55.bin
a855443075dbf16def71852a5427267b7d6f26384eae52613d9095b22e21d532		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C55 5620 bytes
font_01_sfnt_off00007f47.bin
580f11b3ea67e990c272a9a3cea0b6133afca90509d35c0879aecc1ff021afc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F47 10696 bytes
font_02_sfnt_off0000a330.bin
09392c960de46c90b820ba8812112d0cbaf2cfac873ba275798f2fb784eb8ddf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA330 16552 bytes

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