Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c605ab842d37d7b…

MALICIOUS

PDF

36.2 KB Created: 2020-04-13 07:56:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 88760112e19b7bab0db6f6992363e7af SHA-1: de443ec9cbaafa465899184207557f885cdae846 SHA-256: 8c605ab842d37d7be5fe5bc25c1dc3138d1b867dad13b6c64dc0ef9996e8674b
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or redirection mechanism. The primary URL found is http://directorsofficersliabilityinsurance.wales/uploads/1/3/0/5/130589353/130589353.html#generador+de+nombres+para+juegos+de+mesa, which is likely part of a lure to direct users to potentially malicious content. No scripts were extracted from this sample.

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://directorsofficersliabilityinsurance.wales/uploads/1/3/0/5/130589353/130589353.html#generador+de+nombres+para+juegos+de+mesa
    • http://brecat.com/uploads/1/3/1/0/131070645/2562877.pdf
    • http://leonamxidas.com/uploads/1/3/0/5/130590443/4c3d9.pdf
    • http://collaborativeleader.net/uploads/1/3/0/7/130738543/bakojewe_vogoturipafe_gokevasumilox_puzujalezapu.pdf
    • http://hemptonicus.com/uploads/1/3/0/5/130543383/a4ed1d5.pdf
    • http://energi.solutions/uploads/1/3/1/4/131437471/jaweta-megudi-siruzitenoziw.pdf
    • http://bluetideconsulting.net/uploads/1/3/1/0/131071191/zuguruli.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_off000063eb.bin
35c2e933246c7bfb900efab0cc7519fbd9b8ca7b808fc4141f12019f9155ad53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63EB 8648 bytes

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