Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d817698beda7510…

MALICIOUS

PDF

39.3 KB Created: 2020-04-08 09:44:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 45cc7ec4f9a4ff399810cdd84cc32302 SHA-1: c5e8ee1b72c4a60598da23143162b36ab634969d SHA-256: 4d817698beda7510d8e5ee83fbbda1df6ed4276b007c9dc2845222b3acac9c57
62 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding a large number of external URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with 'spencerfinancial.net' being a dominant host. The document body contains a mix of seemingly unrelated text and embedded URLs, suggesting an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on these external sites. No scripts were extracted, limiting the 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://lcandlepress.com/uploads/1/3/1/3/131397997/131397997.html#kidkraft+grand+gourmet+corner+kitchen+dimensions
    • http://spencerfinancial.net/uploads/1/3/0/9/130969817/bijila.pdf
    • http://deltwaco.com/uploads/1/3/0/2/130270977/1058272.pdf
    • http://kittyartist.net/uploads/1/3/0/7/130775328/4481191.pdf
    • http://cbmusicandrepairguy.com/uploads/1/3/0/6/130620430/vavidixebibabobumog.pdf
    • http://mudwynpool.com/uploads/1/3/0/6/130639231/1623864.pdf
    • http://webmail.sdmwoodworkings.com/uploads/1/3/0/2/130271190/5215752.pdf
    • http://hutongs.com/uploads/1/3/0/6/130640162/4591be87b5c47.pdf
    • http://katdar.net/uploads/1/3/0/6/130639059/pubad-gosupi-zafojubosuk.pdf
    • http://advancecargo.net/uploads/1/3/0/5/130540559/9767462.pdf
    • http://manvelchoir.com/uploads/1/3/0/3/130313507/fimetaxi.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_off00007065.bin
d99968aa17ea637ad80ba3071a567cf21ec85d344a272439e99a6a300f08c8c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7065 8188 bytes

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