Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b47d885be07d19a…

MALICIOUS

PDF

48.5 KB Created: 2020-08-08 08:41:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b5c4de595935b3849a1b94acf248a3a SHA-1: 85e3279a29f97fadacbcf9e3a030ea7dae1dee19 SHA-256: 4b47d885be07d19a28eb0338dae21c63ce5d99b7832b4b37a733f8b332d9167d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a deceptive title and numerous embedded links, including a critical redirector link to ttraff.com. This indicates a link farm or redirection attack designed to lead users to malicious content. The presence of many shopify.com links suggests an attempt to blend in with legitimate content while masking the malicious redirector.

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=sakeplan+voorbeeld+vir+graad+7+pdf
    • http://files.sopoochtraining.com/uploads/1/3/2/8/132815961/kawivibugakovuj.pdf
    • http://files.wildflowerrunner.com/uploads/1/3/1/3/131381919/1889a12.pdf
    • http://bazis.betheone.co/uploads/1/3/0/8/130874254/6089435.pdf
    • https://cdn.shopify.com/s/files/1/0446/0825/8211/files/how_to_reduce_file_size_mac_acrobat_pro.pdf
    • https://cdn.shopify.com/s/files/1/0431/3199/4280/files/35467939648.pdf
    • https://cdn.shopify.com/s/files/1/0431/2937/2832/files/49757047145.pdf
    • https://cdn.shopify.com/s/files/1/0436/3295/1446/files/42178703984.pdf
    • https://cdn.shopify.com/s/files/1/0429/5763/5735/files/mugekavalaxufuvetukifuku.pdf
    • https://cdn.shopify.com/s/files/1/0432/1722/3847/files/keboretunufuv.pdf
    • https://cdn.shopify.com/s/files/1/0430/0950/7487/files/14451364577.pdf
    • https://cdn.shopify.com/s/files/1/0429/5183/5801/files/77289078024.pdf
    • https://cdn.shopify.com/s/files/1/0437/2001/6024/files/43382620604.pdf
    • https://cdn.shopify.com/s/files/1/0435/8946/8328/files/81801572498.pdf
    • https://cdn.shopify.com/s/files/1/0431/6430/3516/files/jinuninukitopuzisik.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_off0000731a.bin
ed4b5684a067f6291673ddcdf5f0f23f233443a4282f93c551c1914ccd9d6d59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x731A 5188 bytes
font_01_sfnt_off000084c5.bin
3e727581ceb055d8de733c60e5d69e9c2af14e4b2c3d7cb09bafe06331c55b62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84C5 10244 bytes
font_02_sfnt_off0000a754.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA754 4324 bytes

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