Malicious PDF — malware analysis report

Static analysis result for SHA-256 15547fa5d7411514…

MALICIOUS

PDF

38.3 KB Authoring application: PDFedit First seen: 2026-05-09
MD5: 9ddeaf003ff93de15c56849996fe7051 SHA-1: 1e13b5d1510a6bf078ddd29e8e55e136bbe7e551 SHA-256: 15547fa5d7411514cf2ac3f34fbc8657626df06185a9fb2058f645ba16c2e192
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body, though heavily obfuscated, contains references to 'Autocad civil 3d viewer' and numerous URLs, suggesting a lure to download further malicious payloads disguised as legitimate software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://4550-experience.com/uploads/1/3/0/5/130590305/zugota.pdf In PDF document text
    • https://vigotepifo.weebly.com/uploads/1/3/0/5/130589322/d24e9e03c7e.pdfIn PDF document text
    • http://ngssmichigan.com/uploads/1/3/0/5/130588675/2515045.pdfIn PDF document text
    • http://2105ssshop07.fun/uploads/2020/01/27/5484860.pdfIn PDF document text
    • http://iclaudia.online/uploads/2020/01/29/289128.pdfIn PDF document text
    • http://merakihealing.org/uploads/1/3/0/4/130476873/d070805785385.pdfIn PDF document text
    • http://birijeguf.filka.icu/uploads/2020/01/28/nerodukitej.pdfIn PDF document text
    • http://styrketraningsprogram.weebly.com/uploads/1/3/0/2/130273766/e54fc3.pdfIn PDF document text
    • http://seizediem.com/uploads/1/3/0/6/130604650/130604650.html#autocad+civil+3d+viewerIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn 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_off000011d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D4 9444 bytes
SHA-256: 6f9fd461c9d8be663f3c1423082fa31977be30098468d33c5ecceb16542e03cb
font_01_sfnt_off0000535b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x535B 5244 bytes
SHA-256: afd8868629b61d85ec32a8a0de1ca84da82d48156cdd7447d7c4f51403cf5149

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