Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0f3978b6ca018d8…

MALICIOUS

PDF

31.5 KB Created: 2020-06-14 06:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a91432612d297303ee75266dad515cb SHA-1: b8a548d31e8a2fa2a35edf3b643a76949250f4c5 SHA-256: d0f3978b6ca018d848c763e0b1a6ba6f2ca23c5cc9f094a17f02c7895e0b4002
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body itself is largely unreadable but contains some of the URLs. The primary attack pattern appears to be a link farm designed to redirect users to potentially malicious content hosted on various domains. No scripts were extracted, limiting the analysis of direct payload delivery.

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://mitchhewer.co.uk/uploads/1/3/0/7/130776718/130776718.html#tork+ve+denge+konu+anlat%25C4%25B1m%25C4%25B1
    • http://sigmafinancegroup.com/uploads/1/3/0/6/130620833/5c922bb1b.pdf
    • http://artofearthlinks.org/uploads/1/3/1/3/131398521/kiraxikalijojo-tunakedujuv.pdf
    • http://montglass.com/uploads/1/3/1/4/131453007/f8809f077fef9ac.pdf
    • https://nedomexapa.files.wordpress.com/2020/06/68343334789.pdf
    • https://jetawuboke.files.wordpress.com/2020/06/77193321492.pdf
    • https://mugitemos.files.wordpress.com/2020/06/dakidiwokef.pdf
    • https://litojaf.files.wordpress.com/2020/06/66078446632.pdf
    • https://jadexegamunu.files.wordpress.com/2020/06/sozemafodalujixafu.pdf
    • https://xejolaxutibu.files.wordpress.com/2020/06/somilixidupemopifodemuxe.pdf
    • https://raxunorol.files.wordpress.com/2020/06/34103099259.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_off00004d47.bin
10208f8a48e01fe9ba0a3bcfe877b5520d0083a6c0e0fcf6d2726b121abda311		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D47 11104 bytes

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