Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c48ea445319bd1b…

MALICIOUS

PDF

36.7 KB Created: 2020-04-11 04:10:39 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 853fdac0086d3e1219addb35c4109cbb SHA-1: 9c7e8f2737d8d65d6f8f77fa9b6a55929fd33a64 SHA-256: 9c48ea445319bd1b6ba56200fdcf096b3f7151661f0e0c07c9905667a9651736
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gathering Victim Identity Information T1204 Malicious Link

The PDF file contains a large number of external links, many pointing to other PDF files hosted on similar domains. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The embedded URL 'http://northernrailleaders.com/uploads/1/3/0/6/130621488/130621488.html#hbo+watchmen+series' is a primary indicator of this malicious pattern. No scripts were extracted, limiting further analysis of direct payload execution.

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://northernrailleaders.com/uploads/1/3/0/6/130621488/130621488.html#hbo+watchmen+series
    • http://opaleden.com/uploads/1/3/0/4/130436007/9469619.pdf
    • http://iwhinefor.com/uploads/1/3/0/4/130476215/f03d40436d8b.pdf
    • http://worldlearningcapital.org/uploads/1/3/1/6/131637030/roviwa-kuwozokep-muzumunigav.pdf
    • http://evetheatrelouisville.org/uploads/1/3/1/3/131383544/rerir_saroguzu_jivitobonalo_dexata.pdf
    • http://moneyney19.com/uploads/1/3/1/1/131163957/8f39f71fb3d.pdf
    • http://frankbonjean.com/uploads/1/3/1/4/131482919/6088061.pdf
    • http://blackmakeupartistla.com/uploads/1/3/0/6/130639437/ralugonifego.pdf
    • http://pipercreekcontractingservices.com/uploads/1/3/1/4/131437584/86c9817a051aee1.pdf
    • http://aquatic16.fr/uploads/1/3/0/4/130435755/0c758f.pdf
    • http://augustapickleball.org/uploads/1/3/1/4/131437025/656c5f3758.pdf
    • http://dgmetc.com/uploads/1/3/0/2/130272478/7f453bd.pdf
    • http://markweeksauthor.com/uploads/1/3/0/2/130288394/498446f0a3d.pdf
    • http://desertcharmweddingcoordination.com/uploads/1/3/0/7/130740187/josexupolonet_funeb_kilavafokelaz_jeloxagukefo.pdf
    • http://evetheatrelouisville.org/uploads/1/3/1/3/131383544/rerir_saroguzu_jivitobonalo_de
    • 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_off00006821.bin
b2fc2e517670546ca7fa27d0b56730cd476623ae7378d23ca60c303803c36181		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6821 8024 bytes

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