Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2fd8224c64c4175…

MALICIOUS

PDF

33.7 KB Authoring application: Karbon
MD5: 708ebfbd3d94f8af23faa186a0c422d3 SHA-1: e64cc043a81e1f5226ae8b9a132bcb500d6e72f5 SHA-256: b2fd8224c64c4175e93da7fa0ac26cace87eb51943eb397ad075742f10943620
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'PDF_SEO_LINK_FARM' directly identifies this behavior. Additionally, the heuristic 'SE_SECURITY_BYPASS' indicates the document attempts to instruct the user to disable security software, a common tactic in phishing or malware delivery. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further confirms its malicious nature, likely related to traffic redirection or phishing.

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://fielddaycreativeco.com/uploads/1/3/0/6/130604027/dewirineg.pdf
    • http://roadcraftdrivingschool.com/uploads/1/3/0/5/130539428/gabawuxut_womojaxigadow_modetilukopur_nalisuwulase.pdf
    • http://bestgeekdeals.com/uploads/1/3/0/6/130605509/difeve_giwewibawoxo.pdf
    • http://westendbarbershop.com/uploads/1/3/0/5/130540401/mekokejazaraxu-munukumosibe-sozojadoz.pdf
    • http://newyorkhomeclick.com/uploads/1/3/0/7/130776037/5480683.pdf
    • http://insearchofhumans.com/uploads/1/3/0/4/130476120/4427510.pdf
    • http://bakktchain.com/uploads/1/3/0/3/130312916/e9f787765c2.pdf
    • http://ademie.com/uploads/1/3/0/4/130435715/5932797.pdf
    • http://howtomakeabracelet.net/uploads/1/3/0/3/130313005/5698508.pdf
    • http://caltanklinesent.com/uploads/1/3/0/4/130477018/batepe-marawol-pamefopagigopi.pdf
    • http://michaelbthewriter.com/uploads/1/3/0/6/130605204/kafojabowivu.pdf
    • http://oyekanlaws.com/uploads/1/3/0/5/130550953/721431.pdf
    • http://vinceaaland.com/uploads/1/3/0/6/130621503/655980.pdf
    • http://shelleycorr.com/uploads/1/3/0/7/130775853/bomigigexonibumara.pdf
    • http://jvwritingv4.club/uploads/1/3/0/4/130475879/vesasetebamil_wikaroniwupe_vezawama_detezamix.pdf
    • http://hello-baby-toys.com/uploads/1/3/0/5/130545573/130545573.html#adobe+premiere+elements+2018+pc+download
    • http://insearchofhuman

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002a5e.bin
08e563d97dd2adf55709a3350fb8efc7c4614129c63ec3ac89d0a8f308d1997e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5E 7272 bytes

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