Malicious PDF — malware analysis report

Static analysis result for SHA-256 54cc97c2a0e86fd1…

MALICIOUS

PDF

41.8 KB Created: 2020-09-07 12:25:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a872f0181e1828be0ecff6a21e886d0 SHA-1: e248efdef80f63a3d8568402ee59bfbce18cfeb8 SHA-256: 54cc97c2a0e86fd1e93ab4def5a996820ba7a768f6d2ff226d06df5a4c91c016
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.me/wix?keyword=my+face+when+meme+template'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs. The document body, though heavily obfuscated, contains the same malicious URL and several benign-looking PDF links, suggesting a lure to a malicious site. 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.me/wix?keyword=my+face+when+meme+template
    • https://static.usrfiles.com/ugd/b8c837_a9b326143fe24e86aca53f7e7acfd20c.pdf
    • https://static.usrfiles.com/ugd/3826db_52ac38cb9077402a971670efe83c0e46.pdf
    • https://static.usrfiles.com/ugd/8b61cf_c2e6bf69be8d41c0a7e21f9fc1ea2719.pdf
    • https://static.usrfiles.com/ugd/d43733_42e6d38d66af4a5590a5e4745bb7878b.pdf
    • https://static.usrfiles.com/ugd/7f614e_ca1961524aca49d8be2318cffc98093c.pdf
    • https://static.usrfiles.com/ugd/ca300b_9c427dd4057b47a6b746e6fa095278a7.pdf
    • https://static.usrfiles.com/ugd/47e66e_5bbb0bff4e3c424b9095ef1e370e3d15.pdf
    • https://static.usrfiles.com/ugd/5c8b2f_f891277824a04776bf8856dfb2f24af3.pdf
    • https://cdn.shopify.com/s/files/1/0436/7400/9753/files/mobile_movies_hollywood_hindi_dubbed.pdf
    • https://cdn.shopify.com/s/files/1/0431/1764/1879/files/lenafa.pdf
    • https://cdn.shopify.com/s/files/1/0429/9918/5561/files/vikupijaper.pdf
    • https://cdn.shopify.com/s/files/1/0428/3272/4124/files/6332517981.pdf
    • https://cdn.shopify.com/s/files/1/0439/8268/4318/files/kemaweganatozivinoliwos.pdf
    • https://cdn.shopify.com/s/files/1/0433/4416/7064/files/784133187.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_off000065b2.bin
1624c63f230d785ead7855532e86567469d10774e7e831fb3f02786092401a54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65B2 5180 bytes
font_01_sfnt_off0000775a.bin
e08c627c6ac7e106365a8d15d723dcdd3f08d49d33e12b42af5d2a070a96da24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x775A 10304 bytes

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