Malicious PDF — malware analysis report

Static analysis result for SHA-256 e21f42097dbc3d02…

MALICIOUS

PDF

28.1 KB Created: 2020-04-25 22:47:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 48e735b1d945cb069cbf9417259b7512 SHA-1: d026ebaf6d435cb4c481fcd4f48c6523804401c4 SHA-256: e21f42097dbc3d02c7847c78b5eefc4c47638d269ba9f64ad1e7afbb22e23a9d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution point for malicious content. The document body contains text related to 'Pippi langstrumpf astrid lindgren pdf' and authoring application details, which appear to be obfuscation or lure content. 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://arnore.com/uploads/1/3/0/4/130483194/130483194.html#pippi+langstrumpf+astrid+lindgren+pdf
    • http://topbrandmarketing.com/uploads/1/3/1/4/131406435/walixibekunupotixeb.pdf
    • http://mrshaines.com/uploads/1/3/1/0/131069789/19396069b.pdf
    • http://borboletaig.com/uploads/1/3/1/4/131483184/53664e0fc7558.pdf
    • http://workforprofits.com/uploads/1/3/1/4/131437438/5044024.pdf
    • http://maximpublicadjusters.com/uploads/1/3/0/6/130621701/balano_vexagukoxu_wufesovefi.pdf
    • http://arie-de-wendt.com/uploads/1/3/0/7/130738504/7662af4a5c9.pdf
    • http://thepowerofzen.com/uploads/1/3/0/2/130288549/4646898.pdf
    • http://residenciasconencanto.com/uploads/1/3/0/7/130775388/2777213.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_off0000489f.bin
99f18e70d9bbe1a897e1e8f5d7c2b2569c0fbf47c9e51ea78b9bd5c59ff34800		 pdf-font-stream PDF embedded font (sfnt) at offset 0x489F 7180 bytes

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