Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca3eadd012782866…

MALICIOUS

PDF

44.9 KB Created: 2020-07-29 06:18:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a5bed2b99800aaf6bf1e96a6c8b30a2 SHA-1: 0dc3b82c0570d9887e158b93802c04299bca8e94 SHA-256: ca3eadd0127828666f0daac0a1cdae249faa2203270ddd7d4d7f38ca379ed4e5
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 links, with a critical heuristic firing indicating a link to a known malicious redirector. Many of these links point to Shopify-hosted PDFs, forming a link farm. The primary malicious URL identified is ttraff.cc, which is likely used to distribute further malicious content or lead to phishing sites. The document body itself is largely unreadable binary data, offering no further context.

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/wb?keyword=automatic%20and%20manual%20cars%20which%20is%20better
    • http://files.langleycyberpatriot.org/uploads/1/3/2/6/132695851/teguvav.pdf
    • http://files.theaterleagueofclifton.com/uploads/1/3/0/9/130968968/xapokix-folidajev-molev.pdf
    • http://files.townofgeraldineal.com/uploads/1/3/1/4/131437969/9e2365ce3b.pdf
    • http://files.juliekrugmanstudio.com/uploads/1/3/2/8/132816202/purot-gipabuzij.pdf
    • http://files.dancenstuffocala.com/uploads/1/3/0/7/130775249/4246898.pdf
    • http://files.townofgeraldineal.com/uploads/1/3/1/4/1314
    • https://cdn.shopify.com/s/files/1/0431/5689/7947/files/pikimodivomutixepojujaf.pdf
    • https://cdn.shopify.com/s/files/1/0435/9972/4703/files/solisapugoxivivaxexul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43396058945.pdf
    • https://cdn.shopify.com/s/files/1/0428/3518/1724/files/womodezo.pdf
    • https://cdn.shopify.com/s/files/1/0439/6836/4702/files/93016431047.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1402562920.pdf
    • https://cdn.shopify.com/s/files/1/0434/2402/2677/files/sotujigaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/7057/1174/files/52694425489.pdf
    • https://cdn.shopify.com/s/files/1/0435/9726/7112/files/fijomasifasefitiji.pdf
    • https://cdn.shopify.com/s/files/1/0430/6406/6209/files/ditimoporinik.pdf
    • https://cdn.shopify.com/s/files/1/0431/9582/6336/files/xojiju.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_off0000716d.bin
865775eb25b91ba1e0243f9ecaaebad7abf6c1f727d66e9f4d4b4fad00d697a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x716D 5280 bytes
font_01_sfnt_off00008336.bin
ef6a7044babf40ce5870741f47dc3d367152bced617a7e2d4158887e45eb4f3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8336 10176 bytes

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