Malicious PDF — malware analysis report

Static analysis result for SHA-256 7627be7cb69acbbd…

MALICIOUS

PDF

39.0 KB Authoring application: Karbon First seen: 2026-05-08
MD5: 34a0bce1f6dd06960aa92088fe46afbb SHA-1: 08dc22d2237d99e056af5653ed561f7cac5edeb8 SHA-256: 7627be7cb69acbbdfc35ddf2226ef023ddd741bb61252c32d0a8d130d3087951
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV also flagged this file as malicious. The embedded URLs likely lead to further malicious content or phishing pages, suggesting a spearphishing attachment attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://tochonada.info/uploads/2020/01/29/1323962.pdf In PDF document text
    • http://osbert11.com/uploads/2020/01/29/ab629e929b965ae.pdfIn PDF document text
    • http://gepaxujijo.giperfile.fun/uploads/2020/01/28/bazabapake.pdfIn PDF document text
    • http://nazarethchurchofgod.com/uploads/1/3/0/2/130287529/9d3c71d3.pdfIn PDF document text
    • https://ranoxavuje.weebly.com/uploads/1/3/0/4/130492963/lomenarasetifemenox.pdfIn PDF document text
    • http://formulaire.xyz/uploads/2020/01/28/pador.pdfIn PDF document text
    • http://klineseminars.com/uploads/1/3/0/6/130604984/juvegekoladej.pdfIn PDF document text
    • http://zufemulezu.greatthings.icu/uploads/2020/01/29/570bbaec10.pdfIn PDF document text
    • http://cmcindia.org/uploads/2020/01/29/8848498.pdfIn PDF document text
    • http://bodyworkbybarb.com/uploads/1/3/0/6/130640095/130640095.html#soalan+bahasa+arab+tahun+1+pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000115c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115C 7500 bytes
SHA-256: bab78174e71759a967b289d3726b49e204c60a2f4c537fe57b02b3a9ba43156b
font_01_sfnt_off00005115.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5115 16204 bytes
SHA-256: f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d

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