Malicious PDF — malware analysis report

Static analysis result for SHA-256 5180a461ea0e29d3…

MALICIOUS

PDF

57.2 KB Created: 2020-06-01 12:29:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7473768afd64772e24eebb26ebd1f9b8 SHA-1: d770c7f2e471502e5d72e76b386cc0e223329538 SHA-256: 5180a461ea0e29d39a676bda396ca2a90a1e9eb1654eb875fe171d28404e1611
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a 'PDF_SEO_LINK_FARM', indicating it contains numerous external links. The document body is heavily obfuscated, but the presence of multiple URLs pointing to various domains, many of which appear to be part of a link farm, suggests a malicious intent to manipulate search engine results or redirect users to potentially harmful sites. The primary attack pattern involves luring users through these links.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://wearemaat.org/uploads/1/3/0/5/130589156/130589156.html#gardner%2527+s+five+minds
    • http://gandyflax.com/uploads/1/3/1/6/131606480/gadetakenunoxawuvadi.pdf
    • http://divyaodontologia.com/uploads/1/3/0/3/130313539/dopux.pdf
    • http://adriancc.org/uploads/1/3/0/9/130968963/2ad4d7.pdf
    • http://wtrsc.com/uploads/1/3/0/7/130775527/kebub_nipuxaxipe.pdf
    • http://sport-powermax-xt.com/uploads/1/3/0/6/130620370/doganitokaxuvupimam.pdf
    • https://vijujodivefi.files.wordpress.com/2020/05/19856446272.pdf
    • https://zosagadepug.files.wordpress.com/2020/05/pofefepi.pdf
    • https://pajowador.files.wordpress.com/2020/05/lasapewofe.pdf
    • https://bunagenopofo.files.wordpress.com/2020/05/fezijigijegarokokigopal.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b752.bin
29694c6308a99d5bd91462564bd288a2753ed4776ee79bf52e654a327e0ed8e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB752 10068 bytes

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