Malicious PDF — malware analysis report

Static analysis result for SHA-256 aab4c9827b924918…

MALICIOUS

PDF

37.6 KB Created: 2020-04-18 09:04:04 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 93b52ed189508b87c618766409327bd9 SHA-1: 0e42e8d3c69fd21da52c7c664d2df74f4cb4c2cb SHA-256: aab4c9827b924918b9678840b8a244202c05a9f409ef99f7bd1793ca21176c6e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO spam campaign. The embedded URL 'http://msr2mng.com/uploads/1/3/0/5/130588451/130588451.html#acetal+formation+in+base' is also present in the document body. The primary goal appears to be directing users to these external resources, which could be used for phishing, malware distribution, or SEO manipulation.

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://msr2mng.com/uploads/1/3/0/5/130588451/130588451.html#acetal+formation+in+base
    • http://laurenhateleycrowe.com/uploads/1/3/0/2/130270832/xanuxipo.pdf
    • http://angelabatiste.com/uploads/1/3/1/4/131436956/xububesovobilej_xunatowet_kemorexap.pdf
    • http://darenie.eu/uploads/1/3/1/6/131637027/4088502.pdf
    • http://allegraspacafe.net/uploads/1/3/0/6/130604824/rawunoj.pdf
    • http://budapestartsociety.com/uploads/1/3/0/5/130543261/e18dd5.pdf
    • http://administratormaill.com/uploads/1/3/0/5/130543995/jajerotumiluduvirav.pdf
    • http://growherdivorcerecovery.com/uploads/1/3/1/4/131483143/2d5b876.pdf
    • http://thewholeberry.com/uploads/1/3/0/5/130550925/dasota-rilafaxivufexub-lewomi.pdf
    • http://ohmysolehelena.com/uploads/1/3/0/2/130273814/cc4a2e9.pdf
    • http://siloamyouth.com/uploads/1/3/0/5/130588277/2769944.pdf
    • http://dlhstreaming.com/uploads/1/3/0/4/130489650/2732740.pdf
    • http://dezignsbydarla.com/uploads/1/3/0/6/130604283/333bfd2f6ae40.pdf
    • http://ejaznadeem.com/uploads/1/3/0/5/130589121/7948508.pdf
    • http://bestwritingconferences.com/uploads/1/3/1/4/131437984/mimaser-woxan-jesadejunuw.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_off00006e05.bin
64aaa13c7e56c25bc430d13a831d5014ae3c39301e20e33bcdb097fd3992e403		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E05 7248 bytes

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