Malicious PDF — malware analysis report

Static analysis result for SHA-256 34ca63669b6e28a3…

MALICIOUS

PDF

33.5 KB Created: 2020-03-22 03:47:10 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6e180f0d84af5644c5c07b636754b081 SHA-1: 87ef8b496aaa1deca0123bae65d80268d78be2bb SHA-256: 34ca63669b6e28a3610ac04ee5c0714ea7832d28bc7397d3d6ab12d70445ea92
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO spam or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a mass of external PDF links. The document body, though partially corrupted, contains fragments related to job postings and the tool used to generate the PDF, suggesting a lure to potentially malicious content hosted at the numerous extracted URLs.

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://wildturkeybar.com/uploads/1/3/0/5/130544872/130544872.html#copperas+cove+police+department+jobs
    • http://huangchaoyulechengwangshangbaijiale.f18.ebkf.org/uploads/1/3/0/2/130271250/83fa2489.pdf
    • http://trackpace.com/uploads/1/3/0/6/130605228/8293000.pdf
    • http://nowheregirrl.net/uploads/1/3/0/6/130604391/38d1289.pdf
    • http://www.firstleadyou.com/uploads/1/3/0/5/130545597/7279992.pdf
    • http://wanderboss.com/uploads/1/3/0/5/130540477/gewajazixixukajabak.pdf
    • http://securesanitation.net/uploads/1/3/0/8/130813834/vizomo-wosiz-visokavibilumu-wojigafimitowi.pdf
    • http://arizonadisinsect.com/uploads/1/3/1/0/131071167/a678a26d98e.pdf
    • http://gloversvilleteachers.org/uploads/1/3/0/6/130604918/9208742.pdf
    • http://carmelmobilenotary.com/uploads/1/3/0/2/130288317/823388.pdf
    • http://maplegrovelandscapingpros.com/uploads/1/3/0/6/130639488/dodaboro.pdf
    • http://www.mbarnett2016.com/uploads/1/3/0/6/130640102/xebematom.pdf
    • http://crystal-parks.info/uploads/1/3/1/0/131070456/f9afcf3.pdf
    • http://myclotheslineapp.com/uploads/1/3/0/3/130313746/wemavobef-senelolid.pdf
    • http://fanzeechat.com/uploads/1/3/0/9/130969089/bonevaxuxogewus.pdf
    • http://www.vintagefoils.co.uk/uploads/1/3/0/9/130969446/c9b62414.pdf
    • http://tamaragazzard.com/uploads/1/3/0/6/130621691/3698499.pdf
    • http://marielarios.co.uk/uploads/1/3/0/5/130539886/6295147.pdf
    • http://hostmaster.diain.co.uk/uploads/1/3/0/8/130873912/karomod.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_off00005ab6.bin
c23856c57b2dd7c5e1ea6749dd48679293f663d5a5f8c295296146d5aa38ed29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB6 7696 bytes

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