Malicious PDF — malware analysis report

Static analysis result for SHA-256 aee2e424b261888a…

MALICIOUS

PDF

45.4 KB Created: 2020-08-12 05:05:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 45174119aea03ba4dab10d2ef2eabd43 SHA-1: 7acad4e6adc07961bfa71c894e14e8a7e624a45b SHA-256: aee2e424b261888ab98c0ab7dceb95354c198583d9850091453a695b8dd0000b
120 Risk Score

Malware Insights

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

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 to external PDFs, many hosted on Shopify. The embedded URL in the document body also resolves to the malicious redirector. The primary intent appears to be luring the user 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.com/pify?keyword=aparato+locomotor+pdf
    • http://files.thespectrumabrhs.com/uploads/1/3/0/9/130969764/5531318.pdf
    • http://files.lashesbyjuliaferneda.com/uploads/1/3/0/7/130738741/d1ef6.pdf
    • http://files.canningcomputerrepairs.com.au/uploads/1/3/0/8/130814176/4323761.pdf
    • http://files.folkestonechoralsociety.org/uploads/1/3/0/8/130874329/c431d87b8d.pdf
    • http://files.tarpanmanagers.com/uploads/1/3/1/4/131438682/senesuzapavumo.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/mapodoxorebumenibi.pdf
    • https://cdn.shopify.com/s/files/1/0429/6769/5509/files/26941550995.pdf
    • https://cdn.shopify.com/s/files/1/0428/9550/7622/files/54526724542.pdf
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/node._js_require_path.pdf
    • https://cdn.shopify.com/s/files/1/0432/8387/3942/files/bandiera_inglese_da_colorare.pdf
    • https://cdn.shopify.com/s/files/1/0435/9002/5375/files/jijijevoritara.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/6003/files/bidewojafozob.pdf
    • https://cdn.shopify.com/s/files/1/0436/7230/5817/files/55855286973.pdf
    • https://cdn.shopify.com/s/files/1/0435/8874/7422/files/wuvalesevobejebef.pdf
    • https://cdn.shopify.com/s/files/1/0435/5011/3943/files/39054887212.pdf
    • https://cdn.shopify.com/s/files/1/0437/3122/2682/files/gidonutedadik.pdf
    • https://cdn.shopify.com/s/files/1/0430/6537/6919/files/zonibatuf.pdf
    • https://cdn.shopify.com/s/files/1/0430/5921/6537/files/ohio_amish_country_map.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000743a.bin
9ce5cb835eedf5b29dba524a0c08d9f174bcd6b668a754b60f8245e36af6838e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x743A 5112 bytes
font_01_sfnt_off00008586.bin
e3711f37910f23a2acc686c6be98a25c0552b052b0d649ad9804b5f9133de453		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8586 10280 bytes

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