Malicious PDF — malware analysis report

Static analysis result for SHA-256 dab2c3a26ac0624f…

MALICIOUS

PDF

37.9 KB Created: 2020-08-30 01:17:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5f71eb738ba9e9959d81d39e484a4e60 SHA-1: 6712af804867a4d2b1d4c7b3855cdac2caa16d3f SHA-256: dab2c3a26ac0624f96f49f35ee1f7f95cdf160ec5d11fc97ea1a2cd44ccc1a5b
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, pointing to 'https://ttraff.cc/wix?keyword=delay+don%252527t+deny+gin+stephens'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs hosted on 'static.usrfiles.com'. The document body, though heavily obfuscated, contains the same redirect URL, suggesting it's the primary lure. 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.cc/wix?keyword=delay+don%252527t+deny+gin+stephens
    • https://static.usrfiles.com/ugd/b8c837_5b978cba329c4ad791d0f43ec05f9913.pdf
    • https://static.usrfiles.com/ugd/2e79a6_d050242eeda54e06b4f53277705f8f4e.pdf
    • https://static.usrfiles.com/ugd/a48928_e751dcd9549f4acf884ff243be879eb6.pdf
    • https://static.usrfiles.com/ugd/b8c837_41d13a3249a24646b06d8eedd46bd597.pdf
    • https://static.usrfiles.com/ugd/5ad03d_b99deaad2e8047f89ae1f8c2648c33af.pdf
    • https://static.usrfiles.com/ugd/b5aed9_10fb441b875f477fa747799b391d4564.pdf
    • https://static.usrfiles.com/ugd/b8c837_0d364dab46e24a209039d58dd30071b8.pdf
    • https://static.usrfiles.com/ugd/735189_4bbae5e06a7d4499a1fc9caead057f1f.pdf
    • https://static.usrfiles.com/ugd/3aca14_ce35f8603f0b474b92a0ef1e86f9578f.pdf
    • https://static.usrfiles.com/ugd/e3c460_4a72290c71e84351a1458cf6142462d1.pdf
    • https://cdn.shopify.com/s/files/1/0429/4190/7110/files/xazozolugorikup.pdf
    • https://cdn.shopify.com/s/files/1/0435/7141/3155/files/19521662486.pdf
    • https://cdn.shopify.com/s/files/1/0428/7974/6201/files/risc_architecture.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4885/files/96673180063.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_off00005494.bin
6e887a83b9d21e90d88772e9837e802b2430df0be5cc4d3055b6a2ae3bf91442		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5494 5260 bytes
font_01_sfnt_off0000668b.bin
f8d3332c9060cac8182c2a875b5472d0a2e6b488a111536ceb49ef9d2f1bcf21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x668B 10844 bytes

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