Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c4cf8176db55211…

MALICIOUS

PDF

65.3 KB Created: 2020-09-13 11:40:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47e4725724ca42261cca1f0a04c073ed SHA-1: bb62dc6e88cf650cda2cafc28551b250b9311fea SHA-256: 2c4cf8176db552114b6e52aee8a731b47441d0cc031c7422451415276f6b8799
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=ford+business+strategy+2019'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0463/1507/7792/files/edfacts_consolidated_state_performance_reports.pdf'. The document body, though heavily obfuscated, contains text related to 'Ford business strategy 2019' and the URL, 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.me/wix?keyword=ford+business+strategy+2019
    • http://files.andrewwarner.org/uploads/1/3/0/7/130775186/jaroradin.pdf
    • http://files.cremationartglass.com/uploads/1/3/1/4/131482959/65e402c170a.pdf
    • https://cdn.shopify.com/s/files/1/0463/1507/7792/files/edfacts_consolidated_state_performance_reports.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gubiwunezekubukezo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8932/1366/files/aflac_cancer_wellness_benefit_claim_form_2017.pdf
    • https://cdn.shopify.com/s/files/1/0434/5459/5224/files/a._n._m_form_2019.pdf
    • https://cdn.shopify.com/s/files/1/0437/8840/2839/files/balta_uniformes_profissionais.pdf
    • https://cdn.shopify.com/s/files/1/0431/4277/4938/files/jobepitifasenusepiw.pdf
    • https://cdn.shopify.com/s/files/1/0436/3884/9696/files/zafigajafovi.pdf
    • https://cdn.shopify.com/s/files/1/0463/2500/6491/files/19076680629.pdf
    • https://cdn.shopify.com/s/files/1/0429/8542/2997/files/neurotransmisor_adenosina.pdf
    • https://cdn.shopify.com/s/files/1/0431/8448/8607/files/alkonyat_4.pdf
    • https://cdn.shopify.com/s/files/1/0436/9793/0393/files/kegisoteka.pdf
    • https://cdn.shopify.com/s/files/1/0482/9701/7506/files/96896804534.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_off0000c095.bin
08552066f60d2f9baf8d86a42ae5337d3abab8b2490fa3684654e37601b35c8f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC095 5640 bytes
font_01_sfnt_off0000d3d9.bin
bbdaeee9aee3448190aeccdecff5917ecc429ed5754446fea8da64aab69e533d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD3D9 10604 bytes

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