Malicious PDF — malware analysis report

Static analysis result for SHA-256 5832c42964248e18…

MALICIOUS

PDF

36.3 KB Created: 2020-08-29 22:23:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7572a1476e01418c79c55c57480ce51e SHA-1: a5afd674cd7ec375e68017b42997ab8cb5873e45 SHA-256: 5832c42964248e18d797a57101d759f604de09ee67066c9919536d137f09c7d4
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, many of which point to external PDF files hosted on Shopify. One URL, 'https://ttraff.cc/wix?keyword=loreena+mckennitt+the+mummers%2527+dance', is flagged as a known malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme, potentially leading to malicious content or phishing pages.

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/wix?keyword=loreena+mckennitt+the+mummers%2527+dance
    • https://cdn.shopify.com/s/files/1/0434/5308/7911/files/area_and_volume_of_similar_shapes.pdf
    • https://cdn.shopify.com/s/files/1/0434/0839/2353/files/ludopujogaxagawiva.pdf
    • https://cdn.shopify.com/s/files/1/0430/8025/3593/files/connecting_ps3_controller_to_mac.pdf
    • https://cdn.shopify.com/s/files/1/0433/3250/1656/files/momofada.pdf
    • https://cdn.shopify.com/s/files/1/0437/7749/1105/files/47392447445.pdf
    • https://cdn.shopify.com/s/files/1/0440/1784/4382/files/cpap_nasal_neonatal.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4ef5ad615cc40d399cde0dc95359476.pdf
    • https://static.usrfiles.com/ugd/b8c837_5109253166b049b291c4531faa663632.pdf
    • https://cdn.shopify.com/s/files/1/0441/2129/2952/files/chrome_version_44_download.pdf
    • https://cdn.shopify.com/s/files/1/0435/6413/8651/files/symantec_endpoint_protection_best_practices.pdf
    • https://cdn.shopify.com/s/files/1/0438/1949/9682/files/liloxov.pdf
    • https://cdn.shopify.com/s/files/1/0433/7316/6757/files/kiximonifemewevosatu.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_off00004dd0.bin
91a625c4bd346de3c5335a6b30573ec9f9a181752be568cb174e2344b2ca8aad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DD0 5184 bytes
font_01_sfnt_off00005f47.bin
ab1a8ef0f454f50b87bd940115ee93c6ee946277b684857081c0f771c8c80cc1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F47 11128 bytes

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