Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7aee852eda38c73…

MALICIOUS

PDF

34.8 KB Created: 2020-06-12 06:43:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 591dfa8f54ea876871cbc52d6b704d77 SHA-1: fb423cab36df56125fa106b26adccc2d2eaf88ea SHA-256: e7aee852eda38c73e656a923694a71b341ca231dc5399d08efaf30688b73c7ca
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Stage Capabilities: Gather Victim Identity Information T1204 User Execution: Malicious Link

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, many of which appear to be part of a link farm. The document body also contains some of these URLs, suggesting an attempt to direct users to external content. The primary purpose appears to be SEO manipulation or potentially distributing further malicious content 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://mail.humanengineersinc.org/uploads/1/3/1/3/131381135/131381135.html#center+of+gravity+worksheets
    • http://believeinyounation.com/uploads/1/3/0/5/130588518/5454591.pdf
    • http://mail.queriinternational.com/uploads/1/3/1/0/131070313/4240309.pdf
    • http://yomammaswings.com/uploads/1/3/0/2/130273584/4847987.pdf
    • http://doug-jones.com/uploads/1/3/1/8/131855981/masedar-nolosujos-xerena.pdf
    • http://ashdistributions.com/uploads/1/3/0/8/130874232/jebugeziso.pdf
    • http://74-123-79-170.mgwnet.com/uploads/1/3/1/6/131606065/kunibakogefasizori.pdf
    • http://doubleheartsoapcompany.com/uploads/1/3/0/3/130312952/2612be8f6ac7.pdf
    • http://narchacks.com/uploads/1/3/0/5/130590710/8403828.pdf
    • http://doubleheartsoapcompany.com/uploads/1/3/0/3/13031
    • https://xulugotar.files.wordpress.com/2020/06/varesejezokedatulepadapar.pdf
    • https://forivugovov.files.wordpress.com/2020/06/wixedefuvobanubewolu.pdf
    • https://kurupava.files.wordpress.com/2020/06/mugemakuzidupedanema.pdf
    • https://zevozifi.files.wordpress.com/2020/06/97635756877.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_off00005c89.bin
8b14d5b4863fa5849d637d693bde5a584e037cdca36207113962f2828e701456		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C89 10412 bytes

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