Malicious PDF — malware analysis report

Static analysis result for SHA-256 de2f20fa8dffef31…

MALICIOUS

PDF

40.5 KB Created: 2020-08-29 19:28:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90cf81fcc8a9923142071557756e3b33 SHA-1: 89cac873c170d249648e79af00e83e0ddaa251fe SHA-256: de2f20fa8dffef31a12f95804c654791a43074b4159c58be29335f09df854260
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it is a malicious redirector link. The embedded URL, https://ttraff.com/wix?keyword=analogy+helper+online, is identified as a known malicious redirector. The document body, though heavily obfuscated, contains this URL, suggesting the primary intent is to redirect the user to a malicious site, likely for phishing or malware delivery.

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.com/wix?keyword=analogy+helper+online
    • https://cdn.shopify.com/s/files/1/0437/1313/4757/files/geometric_sequence_formula_for_the_nth_term.pdf
    • https://cdn.shopify.com/s/files/1/0433/6749/7880/files/melawirudevopozugedub.pdf
    • https://cdn.shopify.com/s/files/1/0431/3058/5239/files/68662712368.pdf
    • https://static.usrfiles.com/ugd/b8c837_f6b5df4004064f65a2c41b7d1b8e82e4.pdf
    • https://static.usrfiles.com/ugd/374ce0_cac06a9e570e49a9aa0cfae0ddf8c9b7.pdf
    • https://static.usrfiles.com/ugd/b8c837_70ecd7a810a944bd9e73a6ad259d29e1.pdf
    • https://static.usrfiles.com/ugd/b8c837_935f39ae9fc64dfdafd45904ef9bd08c.pdf
    • https://static.usrfiles.com/ugd/9f6a24_6650746369bb46aeb61828475fe27098.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_off000061cd.bin
6a444965ac1d3a49ea1d1f4588d6601368ff43d99144b2481fd701dd2596bf9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61CD 4992 bytes
font_01_sfnt_off000072c7.bin
3cc9dff70008c71dcb45c8c9f934c126cfdceaebd84c5dad7b51ff2ef1ea3cc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72C7 10384 bytes

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