Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1a7eca1cf838100…

MALICIOUS

PDF

30.1 KB Created: 2020-05-19 01:24:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a1d2e68200d56cff7b28c9e758b6e4b8 SHA-1: c9ccfe8763ce3fd8242de3589d905afaedf4056d SHA-256: e1a7eca1cf838100b17cdf8a766a4c433b1623a89741e6b2a6779cfb52e432b1
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which appear to be generated for SEO purposes, pointing to various domains. The document body contains a reference to 'Juju on dat beat mp3 download', suggesting a lure to trick users into clicking on the embedded links. The primary link identified is http://gracecruikshank.com/uploads/1/3/0/5/130590092/130590092.html#juju+on+dat+beat+mp3+download, which likely leads to a malicious download or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://gracecruikshank.com/uploads/1/3/0/5/130590092/130590092.html#juju+on+dat+beat+mp3+download
    • http://eclipsesupportcenter.pl/uploads/1/3/0/2/130291585/3638899.pdf
    • http://macondruglawyer.com/uploads/1/3/1/4/131453712/gibubololule.pdf
    • http://3deltaconsulting.net/uploads/1/3/0/5/130539679/vulakaxewoguju_nefus_gusakefogexo_sotumusuxofom.pdf
    • http://productsbeast.com/uploads/1/3/1/3/131398091/7598061.pdf
    • http://beyondwhatyoucansee.com/uploads/1/3/0/6/130620949/rozumela.pdf
    • http://chippedchrome.com/uploads/1/3/1/6/131637300/negifuxilokuviv.pdf
    • http://charlesberg.org/uploads/1/3/1/6/131637109/busuwel.pdf
    • http://ckaftan.ca/uploads/1/3/1/1/131164261/guwozakafaxini-dokaxevesujulu-wojanikasere.pdf
    • http://honeyalsayed.com/uploads/1/3/1/4/131453253/ced4696ef34f8.pdf
    • http://kingmusicstudio.com/uploads/1/3/0/6/130604694/0a0d9f2cb93caf3.pdf
    • http://magicdragondistribution.com/uploads/1/3/0/9/130969355/nilujodo.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_off00004999.bin
fed72f1d847238880de850cf1fe10db49d67794344f738f5215ac6bd101183b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4999 10904 bytes

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