Malicious PDF — malware analysis report

Static analysis result for SHA-256 e06df2c62b1095bb…

MALICIOUS

PDF

38.8 KB Created: 2020-08-30 00:50:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ba4e0f7efdb3b1cb78beb4126d0ebb3 SHA-1: 72264d52ba717e2a785f9d45143da45dab420539 SHA-256: e06df2c62b1095bb33bcff4a343af228d144523c9226f57cd721f2a61fb0960c
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.com, which is disguised as a download for a music album. This suggests a social engineering tactic to lure users to malicious infrastructure. The file also contains a large number of external links, many pointing to Shopify, which is characteristic of SEO-based link farms used to improve search engine rankings for malicious content. 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.com/wix?keyword=chris+brown+royalty+album+download+z
    • https://cdn.shopify.com/s/files/1/0428/4101/4438/files/rolefarerupex.pdf
    • https://cdn.shopify.com/s/files/1/0434/0154/3831/files/homemade_naan_bread_nutritional_information.pdf
    • https://cdn.shopify.com/s/files/1/0432/4897/6032/files/71445356817.pdf
    • https://static.usrfiles.com/ugd/b8c837_2ae0dcf5291a4fcabc2834b713c7466a.pdf
    • https://static.usrfiles.com/ugd/33a16d_f0064e127042406d9dbb95f391c88d14.pdf
    • https://static.usrfiles.com/ugd/b8c837_9b2c943ef26d48498f2dfaad07d3bbb6.pdf
    • https://static.usrfiles.com/ugd/b8c837_09afb7bc9c834125bc5547bdd4df0aea.pdf
    • https://static.usrfiles.com/ugd/cec570_b2128c996f1c4f859708185a87d8ac1f.pdf
    • https://static.usrfiles.com/ugd/b8c837_4b5dd9cdd6584393835540a1e9ad4517.pdf
    • https://static.usrfiles.com/ugd/b8c837_77b02aeddd214e0bb02f33f5f525f027.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_off000059b7.bin
6c39f881448f0d8b912a7e344698ce157724633d7aee2f45bb76061a85f8aff7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59B7 5356 bytes
font_01_sfnt_off00006bd1.bin
8115e5353a7dda551a3720acf355dec56719780c09926cb2a22929d289f805ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BD1 10104 bytes

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