Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2eb3f2e1c557118…

MALICIOUS

PDF

78.9 KB Created: 2020-10-05 18:05:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 863ed196ce936cb4d42631170da626d4 SHA-1: 155bb2521a04342d165a16edfa8a40f68462ff97 SHA-256: f2eb3f2e1c557118c41e597ca2d16a754839323ac146f5a2595828b19e0e7f6d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic firings indicate that this PDF is part of a link farm designed to distribute malicious content. The embedded URL 'https://gettraff.ru/strik?keyword=blackstone+real+estate+fund+pdf' is a primary indicator of this malicious activity. No scripts were extracted from this sample.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://gettraff.ru/strik?keyword=blackstone+real+estate+fund+pdf
    • http://files.mylegalvillage.com/uploads/1/3/1/4/131408581/dfe7d2c977d8.pdf
    • http://wakupo.horseplayfarms.net/uploads/1/3/0/8/130814729/toxidiramux.pdf
    • http://files.cathyleavittcreations.com/uploads/1/3/0/7/130776416/lolidimavadupebuzu.pdf
    • http://files.iowadancefestival.org/uploads/1/3/0/9/130969368/bufujebuf.pdf
    • http://wagubawov.spiderparlor.com/uploads/1/3/1/4/131437871/wibaluz.pdf
    • http://vezab.stjohnlutherans.org/uploads/1/3/1/4/131413418/pitibu_bamof.pdf
    • http://files.aforcapacity.org/uploads/1/3/1/6/131607063/29beea.pdf
    • http://files.gbaplayball.com/uploads/1/3/0/7/130738778/8fb5ec0f6a5206.pdf
    • http://files.ornamentsofexpression.com/uploads/1/3/1/4/131455883/vojosa.pdf
    • http://files.mectacprinstructor.com/uploads/1/3/1/4/131437740/2f469132278.pdf
    • http://files.lorimuldoon.com/uploads/1/3/1/8/131856917/zitikaforud.pdf
    • https://site-1036930.mozfiles.com/files/1036930/21877167314.pdf
    • https://site-1040800.mozfiles.com/files/1040800/46058621156.pdf
    • https://site-1040299.mozfiles.com/files/1040299/48861799910.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_off0000ea29.bin
da911752d9d7ab385d41a0e91dc8f9b8674cffc83bf25244c084b318b1099fb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA29 5096 bytes
font_01_sfnt_off0000fb7f.bin
89a760a0766bc5d2b2f3e58799a8197ef7ac01ac2c903bf1385d4b8a5a4cf46e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB7F 10904 bytes
font_02_sfnt_off00012062.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12062 4324 bytes

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