Malicious PDF — malware analysis report

Static analysis result for SHA-256 310cb92e311ccc62…

MALICIOUS

PDF

38.9 KB Authoring application: Adobe PDF Library 9.0
MD5: ef0200093186b0dd789180284b210507 SHA-1: 06634dd42ed717cc902578fbe692c91287721d75 SHA-256: 310cb92e311ccc62ef2b23af760042a498aabbe7532dc2dc09caee0b635f342b
162 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1566 Phishing

The PDF contains a large number of embedded URLs, indicating a link farm designed to direct users to potentially malicious content. The document body mentions 'Kms activator office 365' and instructs the user to disable security software, strongly suggesting a phishing or malware distribution attempt. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment.

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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://goronamike.west-lab.ru/uploads/2020/01/28/gujodezofigegonowe.pdf
    • http://madameallen.org/uploads/1/3/0/2/130291646/tinebunanane-telija-merodonag.pdf
    • http://safiasclothing.com/uploads/1/3/0/3/130313524/sukomekawo_dovifalu_sowagaxujes_tosen.pdf
    • http://bifidal.womanforyou.info/uploads/2020/01/29/78f454c6d729.pdf
    • http://xeromej.zayavka-na-kredit.com/uploads/2020/01/27/7935792.pdf
    • https://zexupimifosirof.weebly.com/uploads/1/3/0/5/130543476/jatesowik_jodikeb_mokewozax_losunuz.pdf
    • https://xopaxutozuwox.weebly.com/uploads/1/3/0/4/130435987/9290902.pdf
    • http://alicewild.shop/uploads/1/3/0/2/130288875/11fad3190a43.pdf
    • http://nupelicanparty.org/uploads/1/3/0/6/130620538/130620538.html#kms+activator+office+365

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000133a.bin
e01773f01ba891aa2d3352527b2bfe7d2eda4b5c4c9f847169e8dd3702bd2671		 pdf-font-stream PDF embedded font (sfnt) at offset 0x133A 10648 bytes

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