Malicious PDF — malware analysis report

Static analysis result for SHA-256 2df72e08d29d91b1…

MALICIOUS

PDF

39.7 KB Created: 2020-05-07 06:08:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b767ec137daf5c54641727054c197667 SHA-1: cefed5e596329e43a0d2caf8c67fb96b94aad43d SHA-256: 2df72e08d29d91b1048fba0b8def019fab5aab33d8e0f2d7ea0e5b7076c4e62e
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The presence of the 'PDF_SEO_LINK_FARM' heuristic firing strongly supports this assessment. The document body contains a lure related to 'Sonic sega all stars racing transformed cheats', suggesting a social engineering pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://gregjiel.com/uploads/1/3/1/4/131409333/131409333.html#sonic+sega+all+stars+racing+transformed+cheats
    • http://gogmwweph215.org/uploads/1/3/1/4/131406687/zevosageteliku.pdf
    • http://littlegemschildminder.net/uploads/1/3/0/4/130479435/tizesetase-zopulit-rofugorofiwu-zizebemudep.pdf
    • http://sudznbuds.com/uploads/1/3/0/5/130541140/goropusububulotoga.pdf
    • http://maxgor.fun/uploads/1/3/0/4/130436145/toxumagoguwagokobaw.pdf
    • http://willowcreekleather.com/uploads/1/3/1/3/131384559/zoxawobumuju-nipaduribisutob-xevujizogijo.pdf
    • http://ranails.net/uploads/1/3/0/7/130738960/vovisur.pdf
    • http://couplestherapyswi.com/uploads/1/3/0/2/130291527/fufanixo_tedus_defofedit.pdf
    • http://deusartdesign.com/uploads/1/3/0/9/130968967/petikun.pdf
    • http://voicedoutcomesdirectory.com/uploads/1/3/0/8/130813786/duzifapava-wuribaweleji-wikitibex.pdf
    • http://maynganhmay.com/uploads/1/3/0/7/130776291/6621793.pdf
    • http://hometownpetfoods.com/uploads/1/3/1/4/131406303/5677409.pdf
    • http://sonsofdora.com/uploads/1/3/0/9/130969700/4274408.pdf
    • http://quantumleapbehavior.com/uploads/1/3/1/4/131406211/zumulekutamuvusubu.pdf
    • http://fabfoodcabcab.com/uploads/1/3/0/4/130491008/8849661.pdf
    • http://truenorthjax.com/uploads/1/3/0/7/130739113/paxamagip-lolepunisowake-jitowonidixomo.pdf
    • http://oliviapeasleyricg350.com/uploads/1/3/0/5/130588613/fezap.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00006de7.bin
5aace9bcc5d7812d77c6c4244153d5d1fb0fb96ad152d47498190383a06b83b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE7 11160 bytes

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