Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0e61a1166975aee…

MALICIOUS

PDF

89.9 KB Created: 2021-12-04 03:44:13 +03:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-05-02
MD5: 3c1d14dfc7362d6b4581f4d9a512d914 SHA-1: 21561c65d838004d7f1d0a3df4b5ac732f58a9ed SHA-256: e0e61a1166975aeef7ce23a2431db330fb777af6ac86d9f2d8cc1612e647a31e
67 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0242

Heuristics 5

  • PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
    PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
  • PDF links to disposable redirector campaign host medium PDF_DISPOSABLE_REDIRECTOR_CAMPAIGN
    PDF's outbound link points to a throwaway redirector domain that recurs as the sole redirect across a large family of otherwise unrelated spam PDFs (movie-piracy, affiliate, and viral-link lures). These domains appear on no reputable list and exist only to funnel openers into malvertising / scam / download chains.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://getpdf.pw/book?res=123&isbn=9781618654069&kwd=Kaplan%20GMAT%20800%20:%20Advanced%20Prep%20for%20Advanced%20Students PDF link annotation
    • https://static.s123-cdn.com/uploads/4650226/normal_61aa74f2ac6fb.pdfIn PDF document text
    • https://files8.webydo.com/9588510/UploadedFiles/03EC2C64-1E9F-D749-2192-826694E68EEA.pdfIn PDF document text
    • https://s3.ap-northeast-1.amazonaws.com/uploads.strikinglycdn.com/files/8b17020e-1c20-47c7-a933-f15a8bad26ee/first-year-harmony-complete-547.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off00010517.bin)

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_off00010517.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10517 21872 bytes
SHA-256: 59ee8b6419219b8499f23c0f586b32752eed30333e857675a4a4a2bfb81ff7ec
font_01_sfnt_off000137eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x137EB 20276 bytes
SHA-256: 4a72ef05abfb572b6a32fdbd3b21636eb90019e367a0aae67ba0cf95c5df8436

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