Malicious PDF — malware analysis report

Static analysis result for SHA-256 4bdb0f001d99ffb5…

MALICIOUS

PDF

35.8 KB Authoring application: Scribus
MD5: 7ee24e2e14477b88d87b131084cc05da SHA-1: c2048978ea81cba5481fa46436505b793c47e531 SHA-256: 4bdb0f001d99ffb56c6fc9262f3d490ebad1125e3ce3f18bea3760d89b3ad0ef
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links to external websites, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, mentions 'The Sims 4 camera mod', suggesting a lure to attract users to these linked sites. The ClamAV detection further confirms its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. The primary attack pattern involves directing users to a network of potentially malicious domains.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://kodasa.kesh-dev.com/uploads/2020/01/27/b303696c8513.pdf
    • http://rofl-case.ru/uploads/2020/01/27/c4c3d.pdf
    • http://apple-bel.info/uploads/2020/01/28/3242141.pdf
    • http://globewebguru.com/uploads/2020/01/29/bfd0f.pdf
    • http://pipodasew.sexshop-extra.ru/uploads/2020/01/27/9708192.pdf
    • https://vupuvoxubuzusu.weebly.com/uploads/1/3/0/2/130289550/8333a23520c.pdf
    • http://ricksmobilerv.com/uploads/1/3/0/4/130490687/130490687.html#the+sims+4+camera+mod

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f8.bin
7ecff447c25b0bc63d4ad7f0bc5cc4dc4599d053524597ec92323a33c7ba3ada		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F8 9228 bytes

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