Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1010c699e4c4c01…

MALICIOUS

PDF

58.9 KB Created: 2020-03-20 12:56:21 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 602305b3fa3797c19b8c258b3746198a SHA-1: 91a77e0b56703b25c083d6b221b0dd304a38ffa1 SHA-256: c1010c699e4c4c01f3ae9aa82a1ab86380d228eea0038288f8c72301ad0fffaa
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The primary heuristic indicates a link farm, suggesting the document's purpose is to drive traffic to these sites, potentially for SEO manipulation or to host further malicious 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://notostraws.com/uploads/1/3/0/9/130969357/130969357.html#integral+definida+y+sus+aplicaciones
    • http://fastherrally.com/uploads/1/3/0/7/130740349/56d3601c1.pdf
    • http://frostworkscg.com/uploads/1/3/0/2/130271139/bizuzonakimes-xunevamojomivuj.pdf
    • http://jamesfoth.com/uploads/1/3/0/7/130775539/6417cef.pdf
    • http://jenmerrillwriter.com/uploads/1/3/0/5/130588708/716648.pdf
    • http://mail.bddtherapy.com/uploads/1/3/0/3/130323602/pazuko.pdf
    • http://www.sharedriveapp.com/uploads/1/3/0/8/130814718/bobug.pdf
    • http://northdallasbootcamp.com/uploads/1/3/0/5/130589316/fixojukoxo-vozuwonunutid.pdf
    • http://roscoewebsolutions.com/uploads/1/3/0/6/130620659/987145.pdf
    • http://soulsoupbv.nl/uploads/1/3/0/7/130775819/rotirosoxatowo.pdf
    • http://www.glendalekfss.com/uploads/1/3/0/2/130287847/kufosat.pdf
    • http://experimentswithpeace.com/uploads/1/3/0/4/130476313/bujofilawawibiwadik.pdf
    • http://theedusittercompany.com/uploads/1/3/0/7/130739621/mijovovijonur.pdf
    • http://cpanel.call-kami.com/uploads/1/3/0/6/130640126/viloreviwewib.pdf
    • http://flyingcolourstuition.com/uploads/1/3/0/4/130488301/ritovinej.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008df6.bin
8e5430bdb13a6d6e3bf161d84ce66e9908aae43d797832390aa372ed9dfca123		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF6 10444 bytes
font_01_sfnt_off0000b36a.bin
523ac1d816d0865d9be66071aa222086b631d7d31d300d7c05cfe0b8a18a9540		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB36A 2928 bytes
font_02_sfnt_off0000bdd1.bin
369a272116710b412735aa13d8414bf58956f17bc4ac0df72d1137cff11a0b7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBDD1 19776 bytes

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