Malicious PDF — malware analysis report

Static analysis result for SHA-256 7be1d381c8aa32d4…

MALICIOUS

PDF

43.1 KB Authoring application: Solid Converter PDF First seen: 2020-09-24
MD5: c34e26d8acc8f4b7d43a864f7839d80c SHA-1: 2aff742e11f02abfa83a98382c96658baa2e3db7 SHA-256: 7be1d381c8aa32d4991d0b47682d489ad6457e77669da1f608c1d5a75841acda
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall, indicating a phishing or malicious redirection intent. The embedded URLs are the primary indicators of compromise, suggesting a campaign to drive traffic to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://neli.russtin.com/uploads/2020/01/27/4373516.pdf In PDF document text
    • http://kcbevco.com/uploads/1/3/0/2/130272260/vifopi_pewerodoz_sikefemitut_mogejusekor.pdfIn PDF document text
    • http://clutteredgypsie.com/uploads/1/3/0/3/130379821/xepil_makuzawidikusop_kekitojaj.pdfIn PDF document text
    • http://millhouse-market.com/uploads/1/3/0/2/130289279/zezitamika_sutati.pdfIn PDF document text
    • http://marinakarsh.ru/uploads/2020/01/28/vamitotenanagen.pdfIn PDF document text
    • http://mhrandlenovels.com/uploads/1/3/0/3/130379291/130379291.html#bengal+tiger+movie+lo+songsIn PDF document text

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000110f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110F 9076 bytes
SHA-256: 24323f4db680c83c56c4b50207a407cfe7f98827c066a268ced6b9cb2895fdba

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