Malicious PDF — malware analysis report

Static analysis result for SHA-256 547889ed54a9bd5c…

MALICIOUS

PDF

44.3 KB Created: 2020-06-03 23:44:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93df3764437bcd51260bf1401681a24d SHA-1: 0b886e5a65db7da4852a9eaaf60b8825feb4a0bf SHA-256: 547889ed54a9bd5c42d440e9cab0c844d85215f12856384a5e20b18b08820f0f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many pointing to domains associated with link farms. The document body, though partially corrupted, includes URLs that are part of this link farm. This suggests a tactic to manipulate search engine results or redirect users to potentially malicious content. No scripts were extracted, limiting the ability to determine further payload delivery or execution.

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://armsofgracehomes.com/uploads/1/3/0/8/130814292/130814292.html#carte+d%2527+europe+vierge+cm1
    • http://xtremeclubrd.com/uploads/1/3/0/5/130590436/gudit.pdf
    • http://x-ovarvs.com/uploads/1/3/0/6/130603895/4550174.pdf
    • http://gengeocrook.arizonadar.org/uploads/1/3/1/0/131070841/zikokepilusep.pdf
    • http://hostmaster.esteem-engineers.com/uploads/1/3/0/6/130621912/zipubaxerun-xirapatibufuzu.pdf
    • http://armsofgracehomes.com/uploads/1/3/0/8/130814292/terms.html
    • http://armsofgracehomes.com/uploads/1/3/0/8/130814292/dmca.html
    • http://armsofgracehomes.com/uploads/1/3/0/8/130814292/policy.html
    • https://jadulotixen.files.wordpress.com/2020/06/kupafevoruvotagix.pdf
    • https://poxatesorev.files.wordpress.com/2020/06/62286955001.pdf
    • https://jupeveni.files.wordpress.com/2020/06/mizibunoveliveg.pdf
    • https://pofulekat.files.wordpress.com/2020/06/migavalozuvavetokemadabe.pdf
    • https://tapizoluzed454878337.files.wordpress.com/2020/06/3073431397.pdf
    • https://ragadij.files.wordpress.com/2020/06/jukemegoxewudo.pdf
    • https://jiwuvef.files.wordpress.com/2020/06/sifevipoloki.pdf
    • https://xufesan.files.wordpress.com/2020/06/55011979158.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006592.bin
6b91020eea47d1d07a3464a3080f1ef6474015e7bcff834d8f47f22b39bfa7f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6592 13264 bytes
font_01_sfnt_off00008e8f.bin
3bb08857b08983a257d5a2052628e18542fd51c8d29f5bbef87ea8b8ace00841		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E8F 16096 bytes

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