Malicious PDF — malware analysis report

Static analysis result for SHA-256 c03d74994214705c…

MALICIOUS

PDF

60.6 KB Created: 2020-09-09 07:32:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 42794338f50f6679785addb1b43f4f14 SHA-1: e671b8232ba8f2ae858ffca756c722e41579a640 SHA-256: c03d74994214705c94601d54d92194ac6a4935acf5b8f5d3990a4f4352e793a1
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, with a critical heuristic firing indicating a PDF link farm. One of the embedded URLs, https://ttraff.ru/wix?keyword=agent+sai+srinivasa+athreya++720p, is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a coordinated effort to distribute content or redirect users to malicious sites.

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/wix?keyword=agent+sai+srinivasa+athreya++720p
    • https://cdn.shopify.com/s/files/1/0431/5496/4637/files/kesigurupoponejef.pdf
    • https://cdn.shopify.com/s/files/1/0435/4909/8148/files/48650133878.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/basic_rules_for_a_discord_server.pdf
    • https://cdn.shopify.com/s/files/1/0430/6976/7842/files/sawenowovotevegemodokeru.pdf
    • https://cdn.shopify.com/s/files/1/0431/2127/9138/files/luboduwaf.pdf
    • https://cdn.shopify.com/s/files/1/0427/5604/7004/files/fundamentals_of_bacterial_plant_pathology.pdf
    • https://cdn.shopify.com/s/files/1/0434/7641/8720/files/shipley_associates_proposal_guide.pdf
    • https://cdn.shopify.com/s/files/1/0428/8158/1209/files/48961719632.pdf
    • https://cdn.shopify.com/s/files/1/0437/7231/3749/files/83539683161.pdf
    • https://cdn.shopify.com/s/files/1/0435/1541/2632/files/nirugafazuna.pdf
    • https://cdn.shopify.com/s/files/1/0436/3865/3086/files/animations_arma_3.pdf
    • https://cdn.shopify.com/s/files/1/0430/9054/2741/files/best_android_browser_app_2019.pdf
    • https://cdn.shopify.com/s/files/1/0427/8799/5814/files/ruvuvolajuv.pdf
    • https://cdn.shopify.com/s/files/1/0431/6187/8687/files/85643591865.pdf
    • https://cdn.shopify.com/s/files/1/0431/1692/0996/files/vukazekedanuwelesuge.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_off00009f1d.bin
5aa3402dc7c47f68849a3da65e26191f2013c0ac399d2419d43d381daddd7146		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F1D 5552 bytes
font_01_sfnt_off0000b21a.bin
8bfe953792c22a12783edd817c18f051df9fb9f1aad078210912409a225fb8ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB21A 16380 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.