Malicious PDF — malware analysis report

Static analysis result for SHA-256 95961f6d5025f9c1…

MALICIOUS

PDF

32.9 KB Created: 2020-04-17 14:59:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5962c87048ddac5f9e10e4876d1cebed SHA-1: 32b67b8cc39cb8482dea189ec8334adea4944e99 SHA-256: 95961f6d5025f9c185424b04bef9b4782efcf09c8e81a1f8d8c11cc81689d269
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to various domains, indicating a link farm or SEO manipulation tactic. One of the primary links points to 'officerethink.com' with a query string suggesting a lure related to 'alif laila bangla mp4'. The PDF structure and the presence of numerous similar PDF links across different domains strongly suggest a malicious intent to drive traffic or distribute further payloads. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://officerethink.com/uploads/1/3/1/4/131453402/131453402.html#alif+laila+bangla++mp4
    • http://justaddmagictravel.net/uploads/1/3/0/3/130313141/9149082.pdf
    • http://meyersmpg.com/uploads/1/3/0/7/130775129/zusutagiwiduz.pdf
    • http://bellcreekagility.com/uploads/1/3/1/3/131380894/libipitarujel.pdf
    • http://chairssite.com/uploads/1/3/0/2/130272281/nebawirabatewuvuda.pdf
    • http://maxwellsboutique.com/uploads/1/3/0/3/130323908/divagezotuk-fosorev.pdf
    • http://unioneer.com/uploads/1/3/1/6/131637311/1202651.pdf
    • http://pzank.com/uploads/1/3/0/5/130545333/xokukukovoneb.pdf
    • http://dlind.net/uploads/1/3/0/6/130603936/pofowupisita.pdf
    • http://vantage.agency/uploads/1/3/1/6/131637027/73f08fc4fd.pdf
    • http://theagent.ca/uploads/1/3/0/6/130604551/luzelil.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_off000059f5.bin
73d40f70e4193cf302d1833987f2c201b42afb480a2b979a4f09d9fc2b093a5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59F5 7764 bytes

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