Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1228895fbff80c4…

MALICIOUS

PDF

41.5 KB Created: 2020-04-14 06:32:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 95ec349937fe7fc5dd10f541a102ff9a SHA-1: 60c22b06750693ff7ef104940a6f6e62d0543580 SHA-256: a1228895fbff80c4370054be2e02989e37ede4fbea9442bd9394b2c1c7e194ba
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'ourgreenlittlevillage.com' being a dominant host. The embedded URL 'http://periergeia.com/uploads/1/3/0/5/130545249/130545249.html#c+a+r+wala+game' further supports the link farm attack pattern. 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://periergeia.com/uploads/1/3/0/5/130545249/130545249.html#c+a+r+wala+game
    • http://ourgreenlittlevillage.com/uploads/1/3/1/3/131379808/1537605.pdf
    • http://enosiscorp.com/uploads/1/3/1/1/131163733/3498851.pdf
    • http://prairievisions.org/uploads/1/3/1/0/131070236/bewolafut.pdf
    • http://crystaltubbscleaning.com/uploads/1/3/0/9/130969130/pevetojavapokal-wunonu.pdf
    • http://domoreentertainment.com/uploads/1/3/0/2/130273982/87360e3a055fa.pdf
    • http://seniorsafeathome.net/uploads/1/3/0/6/130639459/wililurabovatozaz.pdf
    • http://samsaraentertainement.com/uploads/1/3/1/3/131398242/5647437.pdf
    • http://caribbean-vending.com/uploads/1/3/0/5/130539455/lusixitudiji.pdf
    • http://topmeatless.com/uploads/1/3/0/3/130379202/6f134877.pdf
    • http://useyournoodledoodle.com/uploads/1/3/0/5/130550703/wukilirok.pdf
    • http://thewholeberry.com/uploads/1/3/1/0/131070481/jijumojovu.pdf
    • http://tom-buckland.com/uploads/1/3/0/4/130488812/1eebae002ff5.pdf
    • http://cmbauction.com/uploads/1/3/0/6/130604114/604540.pdf
    • http://kerribarronmakeup.com/uploads/1/3/1/0/131070904/dasamek.pdf
    • http://caribbean-vending.com/up
    • 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_off00006cc8.bin
e4b02aa43ced7a0051eb6f5ab9315ebe532d52c69ce4b2ebb6c19afe74764a0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CC8 8936 bytes
font_01_sfnt_off00008e8d.bin
b7742dd78f920381d63326997626eb9d89b23a2fcae4512cdb7c04b4b0ea796e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8E8D 2900 bytes

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