Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab6957234cda2114…

MALICIOUS

PDF

172.6 KB Created: 2020-09-07 13:04:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ea635b2bbe7dcea65a4795c244e0a1f SHA-1: 7e2fc4500f84b6c52e8ca9d6cc683570ab98d351 SHA-256: ab6957234cda21141325286ee15e48e5b0fbba2c766dbbc9c6284a44f7597671
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.ru/wix?keyword=taxonomic+classification+of+birds+pdf, is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to a malicious site, likely for phishing or malware distribution.

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.ru/wix?keyword=taxonomic+classification+of+birds+pdf
    • https://cdn.shopify.com/s/files/1/0428/2561/3475/files/73022755850.pdf
    • https://cdn.shopify.com/s/files/1/0434/1573/2381/files/94044738402.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/tipukikubuwobepibozalu.pdf
    • https://static.usrfiles.com/ugd/b8c837_d555d847c9024a99bd9a694c86e40bf4.pdf
    • https://static.usrfiles.com/ugd/0dcf4b_6c53240a203c471b8ec499b95cbc352e.pdf
    • https://cdn.shopify.com/s/files/1/0431/1787/1255/files/85947301994.pdf
    • https://cdn.shopify.com/s/files/1/0432/3963/7155/files/25168741873.pdf
    • https://cdn.shopify.com/s/files/1/0430/8808/5145/files/dimulekuwegu.pdf
    • https://cdn.shopify.com/s/files/1/0434/7589/4422/files/bagasse_products.pdf
    • https://cdn.shopify.com/s/files/1/0436/1525/6738/files/jekokimelit.pdf
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/5279965349.pdf
    • https://cdn.shopify.com/s/files/1/0432/2417/0664/files/bamedixesanilaf.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_off000262f1.bin
1f297ec203bdaa8b85d97eb127f31e4c07dccd179c0721ebddd4b17b1f722f49		 pdf-font-stream PDF embedded font (sfnt) at offset 0x262F1 5456 bytes
font_01_sfnt_off0002755d.bin
70b844f74996fcee5e1d27ce90af7085dab18ef8498285b96f5f41c426451930		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2755D 1716 bytes
font_02_sfnt_off00027e03.bin
77a9d4f53aaa1ea2c0cca45a09038f6ae08ce8bd1283bde2ecfc4cbc452fe456		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E03 11168 bytes

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