Malicious PDF — malware analysis report

Static analysis result for SHA-256 8884135762d537a8…

MALICIOUS

PDF

46.4 KB Created: 2020-08-28 08:16:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59ea401277e1652b9984aa756bb371ea SHA-1: da0d11af74eb65c8e32be938663e7094663c4582 SHA-256: 8884135762d537a81eaaccec40f71e83ac830758541d96ecfe12d5787a1180dc
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file contains a link that redirects to a known malicious domain, ttraff.ru, disguised as a search result for a D&D guide. This indicates a social engineering attempt to trick the user into visiting a potentially harmful site. The PDF also contains a large number of external links, many pointing to Shopify, suggesting a link farm or SEO manipulation tactic to obscure 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.ru/pify?keyword=5e+dungeon+master%2527+s+guide+pdf
    • http://fovoti.suepaton.net/uploads/1/3/0/9/130969042/f84f5d5170df9ae.pdf
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/biwirazobelawapiwexoga.pdf
    • https://cdn.shopify.com/s/files/1/0430/4781/3269/files/nedepinojobifusivir.pdf
    • https://cdn.shopify.com/s/files/1/0432/0077/4308/files/iphone_vs_android_users_united_states.pdf
    • https://cdn.shopify.com/s/files/1/0435/4326/5434/files/fexubepigorajirokajo.pdf
    • https://cdn.shopify.com/s/files/1/0436/4769/7061/files/cardi_and_offset_bet_performance.pdf
    • https://cdn.shopify.com/s/files/1/0433/7837/6853/files/34297713556.pdf
    • https://cdn.shopify.com/s/files/1/0434/8998/4678/files/kebujutopabela.pdf
    • https://cdn.shopify.com/s/files/1/0433/9551/4535/files/sedejojilitol.pdf
    • https://cdn.shopify.com/s/files/1/0433/6589/2245/files/zumilatozademefiwaser.pdf
    • https://cdn.shopify.com/s/files/1/0464/9638/3128/files/jaxoxisosefo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6351/7092/files/careless_whisper_guitar_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0437/8073/5138/files/lasujugopif.pdf
    • https://cdn.shopify.com/s/files/1/0437/7106/8577/files/vujowog.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_off00007605.bin
ca303949fba4a41bc73f807e54eb2050da558f690ee53e2548913e20b851bd3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7605 5392 bytes
font_01_sfnt_off00008845.bin
62cd550d3a377d7085b5078d8aa09d9fd49ac476cd0e9065ebdf4d145e9915a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8845 10552 bytes

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