Malicious PDF — malware analysis report

Static analysis result for SHA-256 d069c8ab2cac9f27…

MALICIOUS

PDF

59.0 KB Created: 2020-09-01 00:12:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 637310a5dbe6196711021b29875699e9 SHA-1: 17eb6c076367c6b8e89096198bd28f4323c72041 SHA-256: d069c8ab2cac9f27b59430b85a4f5562ce0caf3cef9b5d00550a46893cb66d23
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to song downloads and the malicious URL. The primary attack pattern involves luring users to a malicious site via deceptive links within the PDF. 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=chennai+gana+prabha+songs++2018
    • https://cdn.shopify.com/s/files/1/0432/1280/0168/files/nox_application_android_emulator.pdf
    • https://cdn.shopify.com/s/files/1/0437/0812/1242/files/66004721883.pdf
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/23923425972.pdf
    • https://cdn.shopify.com/s/files/1/0432/9101/7374/files/24724095226.pdf
    • https://static.usrfiles.com/ugd/b8c837_1a29f9951aea4dab93983de1681721be.pdf
    • https://static.usrfiles.com/ugd/b8c837_b8e4ae36c5374a73b9f1ceb5e9ffd61c.pdf
    • https://static.usrfiles.com/ugd/1b8612_5c17e4b5bf604cc187bc43ef26c27faf.pdf
    • https://static.usrfiles.com/ugd/d94ae5_d9b0b49c9f9c4af382a940033152f7d8.pdf
    • https://static.usrfiles.com/ugd/b8c837_f92e8f5d280947dba3e7bc5fe3922fcf.pdf
    • https://static.usrfiles.com/ugd/b8c837_1eeb1d42e4af45868d3c1e9680d850aa.pdf
    • https://static.usrfiles.com/ugd/dd4472_5d2494b3c7994da5afeb5ad7ba467b90.pdf
    • https://static.usrfiles.com/ugd/158fb9_4f51e13892e24e1cb8113e6dab2bde58.pdf
    • https://static.usrfiles.com/ugd/b8c837_2c3ccf94e199499b9bd50393b5a930bd.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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061ad.bin
b0d621f20b366b6fbc470841d780d26add716d13a7576561cd96fad43deeacc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61AD 5440 bytes
font_01_sfnt_off00007400.bin
0543e82a3720f36dbef3663b701aa6f93da57a6b2c232d382190d5c30a3e7ba1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7400 2984 bytes
font_02_sfnt_off00007f66.bin
9822d86b4e9e04784345d0b597d48445ae1d47713c20e4e0e1017d289eee3127		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F66 13600 bytes
font_03_sfnt_off0000aa14.bin
e1dcaffbd84fe35b60359842aedb5b30f2fa6b544fce64c59acd6ca3e80d412e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA14 19088 bytes
font_04_sfnt_off0000c8b0.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC8B0 4324 bytes
font_05_sfnt_off0000d662.bin
1648accd5638f26481c437d0e436fdfb03edab78dab75f4e73239278c8cddc19		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD662 1736 bytes

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