Malicious PDF — malware analysis report

Static analysis result for SHA-256 d04e8a7ecfc629f8…

MALICIOUS

PDF

42.7 KB Created: 2020-08-30 23:27:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6edf135628108770dfa850493708c44a SHA-1: cd8f20308c55d0a11d0c713b2d5efed2dbe8fb55 SHA-256: d04e8a7ecfc629f81eeec28ca5132868dfef71a3f412b2baa5971acf29d44f29
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/wix?keyword=witcher+3+german+language+pack+download', is designed to lure users into downloading a fake language pack. The document body itself contains garbled text but also repeats the lure and the malicious URL, reinforcing the social engineering aspect.

Heuristics 2

  • 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.
  • 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=witcher+3+german+language+pack+download
    • https://cdn.shopify.com/s/files/1/0430/1763/3945/files/60994750534.pdf
    • https://cdn.shopify.com/s/files/1/0432/4933/6483/files/games_similar_to_sims.pdf
    • https://cdn.shopify.com/s/files/1/0434/1822/2753/files/tutudaresofeputo.pdf
    • https://cdn.shopify.com/s/files/1/0434/6295/1062/files/dedujiwikuvulubofifelaler.pdf
    • https://static.usrfiles.com/ugd/f84671_a93fbe351efe4b7995a1c8d879dfc09f.pdf
    • https://static.usrfiles.com/ugd/b8c837_a2f540c36f1c48febaffc0d2ab13633a.pdf
    • https://static.usrfiles.com/ugd/b8c837_c8e049edb95d4dfdb45aa3f5cdba0274.pdf
    • https://static.usrfiles.com/ugd/b0cd75_816122bca348456b94063f1a4e8b3961.pdf
    • https://static.usrfiles.com/ugd/0789d5_a682fa325ace46e597a87538817ff5e5.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005cd3.bin
f428f7c5155d333d0011bec352708982bf6d6e82dc5dee5d8edf7244f1262bc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CD3 3108 bytes
font_01_sfnt_off00006804.bin
df1221837763db56dd9b740401474d57e9e97e92797347b6c7b493cb4e876a97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6804 5644 bytes
font_02_sfnt_off00007b29.bin
b6a573b1aec999c8d49358c11997cfc376fac152c2552d71c340236e2f82cc6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B29 10160 bytes

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