Malicious PDF — malware analysis report

Static analysis result for SHA-256 d89d91d50dd34130…

MALICIOUS

PDF

33.5 KB Created: 2020-04-11 09:13:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 402899f9f9a24810e18c544803144448 SHA-1: c8da169128ddfe7ac727707c9fe7ccebf9d33416 SHA-256: d89d91d50dd34130f4bffb1dace9bd3ae89be3b552b13153a3a9e579686c365c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, includes a reference to 'eeua handbook for agitator design pdf' and lists several URLs. These URLs point to various domains, each hosting a PDF file with a numeric or slug-based name. This pattern suggests a link farm or a distribution mechanism for malicious content, potentially leading users to phishing sites or malware downloads.

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://74-123-72-236.mgwnet.com/uploads/1/3/1/4/131453022/131453022.html#eeua+handbook+for+agitator+design+pdf
    • http://mikewilliamsmusicclasses.com/uploads/1/3/1/0/131070195/def48896c7.pdf
    • http://weiserriverscd.com/uploads/1/3/0/8/130815140/d6525e1.pdf
    • http://alphasaudeocupacional.com/uploads/1/3/0/6/130621665/0d33f.pdf
    • http://districtthirtyseven.com/uploads/1/3/0/5/130550844/joduk.pdf
    • http://shine.nsw.edu.au/uploads/1/3/0/9/130969498/ab9fbe0.pdf
    • http://shinkojiki.org/uploads/1/3/0/9/130969899/nuwuwoda_lugaxujakuso.pdf
    • http://callahair.com/uploads/1/3/0/6/130604098/1658353.pdf
    • http://janelleevelyn.com/uploads/1/3/0/4/130476669/bemabefe-buwapelewolu-wowivepi.pdf
    • http://roarconferences.com/uploads/1/3/0/2/130271211/9601614.pdf
    • http://hightopconsulting.com/uploads/1/3/0/2/130289291/filidonepabituxubedo.pdf
    • http://kellyschwegelconsulting.com/uploads/1/3/0/6/130604254/f8d77b585f.pdf
    • http://bedminsterexcavation.com/uploads/1/3/0/6/130639848/2552212.pdf
    • http://uofpsubleases.com/uploads/1/3/0/5/130545627/dc0f83bbf80a52.pdf
    • http://tsafire.com/uploads/1/3/1/4/131437584/4269176.pdf
    • http://impactbiomedical.com/uploads/1/3/0/2/130287279/1660589.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_off00005a41.bin
12b73a02cb50789bd3790def553709e5866d8650d0bef16e97adc3ea31ed5fc0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A41 8148 bytes

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