Malicious PDF — malware analysis report

Static analysis result for SHA-256 cebd45de7a9e6e57…

MALICIOUS

PDF

29.2 KB Created: 2020-04-05 13:40:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8d2d704829e20f89031f8b6d3da60372 SHA-1: 05d08d5dc82a12eaeed1080ecb2cb4e4901789f9 SHA-256: cebd45de7a9e6e5788487bad504e2740b5d07bf8b6df1a517a81ba4a71c536a0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links to other PDF files hosted on various domains, indicative of a link farm. The primary heuristic firing, PDF_SEO_LINK_FARM, confirms this behavior. The embedded URL also points to a similar structure. No scripts were extracted, and the document body is largely unreadable, but the presence of numerous external links suggests a malicious intent to redirect users to potentially harmful content.

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://churchstrettontaxi.com/uploads/1/3/0/2/130287938/130287938.html#love+in+hard+times+jars+of+clay+lyrics
    • http://alloneocean.net/uploads/1/3/0/5/130588185/6dcfb6.pdf
    • http://bayareasofareviews.com/uploads/1/3/1/4/131453414/8dffbbc7301.pdf
    • http://alliedtradinginc.com/uploads/1/3/0/7/130775640/9577266.pdf
    • http://danielperformance.com/uploads/1/3/0/7/130775641/valas.pdf
    • http://goodfeelim.com/uploads/1/3/0/6/130640116/49b9ab1.pdf
    • http://lakesidehandymanservices.com/uploads/1/3/1/4/131408178/d36f76e78243344.pdf
    • http://mouthdoctor.net/uploads/1/3/1/3/131383738/zominogukulisiwos.pdf
    • http://wholefoodmedicinewoman.com/uploads/1/3/0/2/130291809/f5c7126.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_off00004e0e.bin
edf6c26d2d1691525012eed969a469725b3ef184371e384c6f64afff7c6861a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E0E 6508 bytes

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