Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc6a249cf426d2ed…

MALICIOUS

PDF

45.6 KB Created: 2020-04-09 09:54:38 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8157368fade33ccf110e9320e4b0f93b SHA-1: 02db521ae67d5efc8bda98b382066f9848b1dc1c SHA-256: fc6a249cf426d2ed46dda8eff345dafe3440199307c5ac343cce351377f61a3e
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The embedded URL also points to an HTML file on a similar domain. 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://ne-surgerycenter.net/uploads/1/3/1/3/131378991/131378991.html#psicoterapia+breve+y+de+emergencia+definicion
    • http://utahdivorceconsulting.com/uploads/1/3/0/5/130551423/kovedemuzum-pojuruj.pdf
    • http://sassygriot.com/uploads/1/3/0/6/130621940/kelebosogi.pdf
    • http://insightaerial.co/uploads/1/3/0/7/130776266/1512969.pdf
    • http://805webdesigns.com/uploads/1/3/1/4/131437940/85a363c7ea58f8.pdf
    • http://rrautogroup.org/uploads/1/3/1/0/131070187/rakelar_zibarebokuwux_jepezojilop.pdf
    • http://naidaspages.com/uploads/1/3/1/3/131383982/xokum-lofodiropoteg-ritifajuzorufap-xuwojawewolifo.pdf
    • http://gcadassociates.com/uploads/1/3/0/8/130874485/1894122.pdf
    • http://meohealthcare.com/uploads/1/3/1/4/131453283/1013639.pdf
    • http://assetskill.com/uploads/1/3/1/3/131398430/dizuvej.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_off0000856e.bin
67e973a7b1434dd1e5e834e7307112e7e3ce73e17e61c3a3d91c3d6871f60fbb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x856E 9548 bytes

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