Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb030604f0d304e9…

MALICIOUS

PDF

45.4 KB Created: 2020-08-31 00:41:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 37b2c3bffb49b102d8f886f17113ce8d SHA-1: 4c9bf1599dc52e05827553b4a54bab8e2ced0e29 SHA-256: eb030604f0d304e9ac54f64a76b35bfcad9fe3f7b0210c1f19f2b923f397530e
152 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to direct users to further malicious content. The document body contains a title 'Movies star planet hack' and the embedded URL 'https://ttraff.com/wix?keyword=movies+star+planet+hack' suggests a lure to a potentially harmful website. The PDF also contains a large number of links to static.usrfiles.com, which is flagged as a link farm, further indicating a malicious intent to distribute or redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=movies+star+planet+hack
    • https://static.usrfiles.com/ugd/b8c837_5fbe6fcce8a2413390f207758b115997.pdf
    • https://static.usrfiles.com/ugd/ecec20_076292c275304be4b713cd867c4bfec7.pdf
    • https://static.usrfiles.com/ugd/a2c2bc_7527c59cd62f4d34902c921e5de24eda.pdf
    • https://static.usrfiles.com/ugd/6f7357_9cb7f3faa8794537a5dceb2bb1e8fdd2.pdf
    • https://static.usrfiles.com/ugd/77d535_8bbb81908e34419088586fa68503b71e.pdf
    • https://static.usrfiles.com/ugd/221f3a_2b87c553e3bb4f6786a02f73d5def182.pdf
    • https://static.usrfiles.com/ugd/b8c837_8012811e613d4442b9bae7f5fa8b8c84.pdf
    • https://static.usrfiles.com/ugd/f0e51d_0ec75719f010440bbd605bf1f5825074.pdf
    • https://static.usrfiles.com/ugd/b52961_5d0e1c7329c74e11bef3b1e3639d26d0.pdf
    • https://static.usrfiles.com/ugd/2c608b_3d756ff53eb549e39f76021fb7d4e3db.pdf
    • https://static.usrfiles.com/ugd/b8c837_ea71c40b953e43ccac0318b398318834.pdf
    • https://static.usrfiles.com/ugd/2ca09c_32792f5e78774b2da595afe47ebe71c2.pdf
    • https://static.usrfiles.com/ugd/b8c837_6e1c720614c1493980f4943b62186f79.pdf
    • https://static.usrfiles.com/ugd/b8c837_33ed2aa250824ee2b529c83309b153c1.pdf
    • https://static.usrfiles.com/ugd/b8c837_6266bfeccb6f4ed397cebcdb63f6a4ad.pdf
    • https://static.usrfiles.com/ugd/784815_925dfd76e38146aca86e406fdfb470c2.pdf
    • https://static.usrfiles.com/ugd/b8c837_ab2d59f632084276a5dc9f2cc36a11ed.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_off0000635e.bin
5179a05fdac13eb1b061c4d7427398a9a1d1cb754cea0970d561d32deffd0a1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x635E 4936 bytes
font_01_sfnt_off0000741f.bin
cd931c624c54ec7142b3a94623ecfa1500c88abf7507ada285dd2deb4dfd7199		 pdf-font-stream PDF embedded font (sfnt) at offset 0x741F 11964 bytes
font_02_sfnt_off00009aa2.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9AA2 4324 bytes

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