Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4b0d300314f7325…

MALICIOUS

PDF

34.0 KB Created: 2020-08-29 15:15:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a6152113bd42c41c7bc39ed23313c22 SHA-1: 3cf72307d404f9016830dd7fd6f1fdb111db175c SHA-256: a4b0d300314f732522e5d714e8f8857ef89108d2417e305ef08b920131d7eaf4
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically advertising 'clash of clans apk indir android club'. The primary malicious URL identified is https://ttraff.me/wix?keyword=clash+of+clans+apk+indir+android+club. This indicates a social engineering tactic to trick users into downloading potentially harmful content.

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=clash+of+clans+apk+indir+android+club
    • https://static.usrfiles.com/ugd/b8c837_d92458ecee1c45c6b35af5bffbd129bb.pdf
    • https://static.usrfiles.com/ugd/b8c837_bc4b5000d7e140c89d5fb2220bad0f8b.pdf
    • https://static.usrfiles.com/ugd/b8c837_a25d2ea2402347baa32c25210f26d2f1.pdf
    • https://cdn.shopify.com/s/files/1/0434/7274/8710/files/demivatogatosoreletarod.pdf
    • https://static.usrfiles.com/ugd/b8c837_e7163694d3c2420f8f09a255e1cdfa80.pdf
    • https://static.usrfiles.com/ugd/b8c837_1f2190803f6a4aa79018dbb087649e63.pdf
    • https://static.usrfiles.com/ugd/b8c837_a2df443e51294c52aa94d176184f0e2f.pdf
    • https://static.usrfiles.com/ugd/b8c837_ef128a29ee2e463791f3e75dc0f01e77.pdf
    • https://static.usrfiles.com/ugd/de65f7_7028f2796c394b8d90980f6528ee331d.pdf
    • https://static.usrfiles.com/ugd/b8c837_1cbf32c67fcd438ebdac23d0626f80df.pdf
    • https://static.usrfiles.com/ugd/b8c837_6902fd47bee947a9aeb8e43c9f1216b1.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_off0000480e.bin
0864b695fa45df05df14aca37ff4e2819e46f958004064a85dbf531eab82bb4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x480E 5352 bytes
font_01_sfnt_off00005a27.bin
f0208024b8da0b5ebf88d4b2013112dd612b39518e81ccc820eea171335fab24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A27 9864 bytes

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