Malicious PDF — malware analysis report

Static analysis result for SHA-256 210577e066e7ea87…

MALICIOUS

PDF

45.5 KB Created: 2020-09-03 08:27:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8cab213749c348bb354eddbe44167ce3 SHA-1: 64ccfc0e088557b427bfcb31f076177fa2eb1995 SHA-256: 210577e066e7ea87516ab536f0a68961790805a4122d59c1a6c3f6d86026e9a8
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.link/wix?keyword=gospel+music+instrumental+beat', is designed to lead users to malicious infrastructure. The file also exhibits characteristics of a link farm, with numerous external PDF links, suggesting an attempt to obscure the true malicious destination or engage in SEO poisoning. No scripts were extracted from this sample.

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.link/wix?keyword=gospel+music+instrumental+beat
    • https://static.usrfiles.com/ugd/f90bad_599da08861014e4db5984788a670e856.pdf
    • https://static.usrfiles.com/ugd/b4f0c6_cfdf6df53ed441a49a5dfb7e6401f34d.pdf
    • https://static.usrfiles.com/ugd/e4ff69_7cfc3cb6f22e4d8c8aafdda81d9d69ab.pdf
    • https://cdn.shopify.com/s/files/1/0431/8153/9483/files/soda_login.pdf
    • https://cdn.shopify.com/s/files/1/0431/2694/7989/files/zurodifixorabaridiroruzin.pdf
    • https://cdn.shopify.com/s/files/1/0433/9639/9265/files/28565978524.pdf
    • https://cdn.shopify.com/s/files/1/0429/1965/7635/files/85110841801.pdf
    • https://cdn.shopify.com/s/files/1/0429/7474/0639/files/free_templates_for_affinity_designer.pdf
    • https://cdn.shopify.com/s/files/1/0437/7470/5815/files/92794370528.pdf
    • https://static.usrfiles.com/ugd/9e53d4_7613e674ef7b4f1e82ee8acefa376ae1.pdf
    • https://static.usrfiles.com/ugd/217d68_42f9e7c4ce994cb2849977a626a7b83a.pdf
    • https://static.usrfiles.com/ugd/7ff653_c444a4512bd2446690599481975f40c3.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_off00007474.bin
43d49e2b086f6bcb6e497595357619615c4cd3cb8bb3a119f6953fa7cb433432		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7474 5252 bytes
font_01_sfnt_off00008636.bin
64314b9824434ed838fa22207747bea7296102a6cb264f5f99368c943afdb424		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8636 10328 bytes

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