Malicious PDF — malware analysis report

Static analysis result for SHA-256 425af1552932aa6c…

MALICIOUS

PDF

46.1 KB Created: 2020-03-08 11:46:34 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 57c0adf6f8257c1289090150ae6e3368 SHA-1: 867e34ada1e6ba9e110d912288503572f954f499 SHA-256: 425af1552932aa6c98c9a6323cb71af75ad8a64862c5e172aa5f6693ce5de332
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, many of which point to a network of websites designed to appear as SEO-optimized PDF repositories. The primary heuristic indicates a PDF link farm, suggesting the document's purpose is to drive traffic to these sites, likely for advertising revenue or to host further malicious content. No scripts were extracted from this sample.

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://kennedyclnew.devsite-1.com/uploads/1/3/0/5/130588779/130588779.html#should+consequentialism+and+deontology+be+seen+as+rivals
    • http://tripartisanmedia.com/uploads/1/3/0/8/130814329/warobusitov.pdf
    • http://dog-creek.com/uploads/1/3/0/6/130604519/4cd9e9.pdf
    • http://cjmx.store/uploads/1/3/0/4/130483273/b34b56769.pdf
    • http://techyplus.net/uploads/1/3/0/5/130539846/539ea.pdf
    • http://brandgrenade.com/uploads/1/3/0/5/130588203/kobejuburidin.pdf
    • http://propsupdrones.com/uploads/1/3/0/7/130776749/mozewinus.pdf
    • http://vadisuit.com/uploads/1/3/0/9/130969085/javilejanizife-numerigoritegib-motomikebibexe.pdf
    • http://wannagotravel.net/uploads/1/3/0/2/130289721/5baa0639.pdf
    • http://www.andersonprattdesigngroup.com/uploads/1/3/0/4/130493816/cbf4b7c9fc283.pdf
    • http://www.michiganmicropigmentationcenter.com/uploads/1/3/0/6/130639235/buvovi.pdf
    • http://www.spirogaliatsatos.com/uploads/1/3/0/5/130544446/aaf90edf7b3f75.pdf
    • http://anchorchurchelpaso.com/uploads/1/3/0/6/130605084/rubixutidip.pdf
    • http://saintclairstorage.com/uploads/1/3/0/2/130288394/5217444.pdf
    • http://mx.tentmakers.co/uploads/1/3/0/4/130489082/korizo.pdf
    • http://www.ashleycarrcreates.com/uploads/1/3/0/4/130483469/riwuramo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006d23.bin
10f969f35d5f9e6b3902e5c0a41668ab54256e6620ba802167ecf92b68174b21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D23 8052 bytes
font_01_sfnt_off00008bd6.bin
87fd6b1a35a64f5c2d30902eea89631a9c05d6b36ef70c6d0cee4d2ad867525e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BD6 2596 bytes
font_02_sfnt_off000094f4.bin
b3affdfdfee497c2d3230853582529cf395d265bfdbb8cde7d84ae9c33602211		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94F4 16036 bytes

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