Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7ce03e2446d252b…

MALICIOUS

PDF

36.7 KB Created: 2020-09-10 05:53:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 057d6ff9a4453b141370d1df14e06dd4 SHA-1: 2a1ba30fd358befcfb6aa285eef47cdcf535543d SHA-256: a7ce03e2446d252b2b03d04086a2f84006640613abe4f7a78d6cbe2c46fd1294
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF document contains a lure related to a song title, directing the user to click a link. This link, 'https://ttraff.me/wix?keyword=ak+47+new+song++mr+jatt', is identified as a malicious redirector. The document also features a large number of embedded links, many hosted on cdn.shopify.com, suggesting a link farm or distribution mechanism. The overall pattern indicates a social engineering attempt to trick the user into visiting a malicious site, likely for malware delivery or credential harvesting.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.me/wix?keyword=ak+47+new+song++mr+jatt
    • http://files.secondsportswimming.com/uploads/1/3/1/3/131398117/wexidazo.pdf
    • http://zanajopop.sjhameed.com/uploads/1/3/1/8/131856326/2215916.pdf
    • http://files.squareonegoodsco.com/uploads/1/3/2/8/132815154/tasawaz.pdf
    • http://files.uprighthealthandwellness.com/uploads/1/3/1/0/131070579/2e5d6ca3c.pdf
    • http://rexof.ae-adventures.com/uploads/1/3/1/4/131437987/6905380.pdf
    • http://piwan.cairngormwildernesscontracts.co.uk/uploads/1/3/1/6/131606346/sesujawobuput_rofuzadibod_dodalesevepe.pdf
    • https://cdn.shopify.com/s/files/1/0428/6034/7551/files/43564916435.pdf
    • https://cdn.shopify.com/s/files/1/0432/7571/4715/files/hernia_inguinal_causas.pdf
    • https://cdn.shopify.com/s/files/1/0428/5458/0391/files/sopinovalexuxizujenanoku.pdf
    • https://cdn.shopify.com/s/files/1/0429/3473/0911/files/98603233136.pdf
    • https://cdn.shopify.com/s/files/1/0436/5287/4390/files/12494747168.pdf
    • https://cdn.shopify.com/s/files/1/0439/3569/5016/files/dakasatiropagodonipoxu.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_off00004dbe.bin
efd3e1ace7c1a0b2a4364071d54e06013e4ec6a195e30beb78ec86afef0a863b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DBE 5364 bytes
font_01_sfnt_off0000600c.bin
c017f476727990167e55baf089379b7df4375b03b58dcd10a4b0b584217d14f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x600C 11908 bytes

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