Malicious PDF — malware analysis report

Static analysis result for SHA-256 eda7d63c76307650…

MALICIOUS

PDF

33.2 KB Created: 2020-08-10 23:08:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d3eac1fe05e9d861802ff61f02291aa SHA-1: 3d453556eeb1c2f9de989cf8b88b8e1e29eadd4e SHA-256: eda7d63c76307650816710665f791ce6457da17eaa98c122046cc5ee9aa3e6dd
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, specifically pointing to 'https://ttraff.ru/pify?keyword=agri+coaching+chandigarh+pdf'. This indicates the document is designed to redirect users to malicious infrastructure. The document body also contains numerous embedded URLs, many of which are hosted on Shopify, suggesting a link farm or SEO poisoning tactic to distribute the malicious PDF. No scripts were extracted, limiting the analysis of direct payload execution.

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.ru/pify?keyword=agri+coaching+chandigarh+pdf
    • http://juwesux.mortgagesbygianni.com/uploads/1/3/0/7/130739430/ramozewobu_zepivegutijem_gevap_vekenevadomabaf.pdf
    • http://files.ieleaders.net/uploads/1/3/0/7/130776718/45c35ab516bd.pdf
    • http://files.purerockcolours.com/uploads/1/3/1/3/131398129/gelujukike.pdf
    • https://cdn.shopify.com/s/files/1/0429/9004/3285/files/daxogafuxolagux.pdf
    • https://cdn.shopify.com/s/files/1/0437/0412/3557/files/benim_hocam_corafya_ders_notlar_2020.pdf
    • https://cdn.shopify.com/s/files/1/0428/6903/1078/files/7089958775.pdf
    • https://cdn.shopify.com/s/files/1/0434/4610/8312/files/ralozilizo.pdf
    • https://cdn.shopify.com/s/files/1/0429/1005/6615/files/86211837819.pdf
    • https://cdn.shopify.com/s/files/1/0433/5943/6951/files/mifedo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/95936092566.pdf
    • https://cdn.shopify.com/s/files/1/0431/1089/1680/files/42111651603.pdf
    • https://cdn.shopify.com/s/files/1/0439/4817/9611/files/uncle_murda_2016.pdf
    • https://cdn.shopify.com/s/files/1/0435/4539/5359/files/92772797188.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tefabojukiva.pdf
    • https://cdn.shopify.com/s/files/1/0435/1610/0776/files/tufogekolojuzarex.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_off0000461f.bin
0d6ab3189ea584d3071878d14aad99c4efe1131099c7dae7c1aa3fb2f134a527		 pdf-font-stream PDF embedded font (sfnt) at offset 0x461F 5196 bytes
font_01_sfnt_off000057c0.bin
534bdb1f1e25c44c31a50e20dc3c63e336a74ac2a8da648f5d89ac6fcb2a4f88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57C0 9408 bytes

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