Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9c1152f934f5392…

MALICIOUS

PDF

88.9 KB Created: 2021-12-09 01:03:57 +03:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-04-27
MD5: acacc0995d6b5cc01d500b69344bb9b7 SHA-1: 2b6dd32a5f1b210c41cb7faf0fd42fce27c71097 SHA-256: a9c1152f934f5392e7d2cb3e2cfbddd45e2a37b52936881a4b6b6cd3321634b8
99 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0354

Heuristics 5

  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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.
  • 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=strik&isbn=9780415314336&kwd=William%20Shakespeares%20Hamlet%20:%20A%20Routledge%20Study%20Guide%20and%20Sourcebook PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4661044/normal_61b096c93670e.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4661840/normal_61b0cb6182d7f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4660067/normal_61b0126a4ebe3.pdfIn PDF document text
    • https://static.s123-cdn-static-c.com/uploads/4660241/normal_61b03df939394.pdfIn PDF document text
    • https://static.s123-cdn-static-b.com/uploads/4660934/normal_61afd74c14643.pdfIn PDF document text
    • https://static.s123-cdn-static-a.com/uploads/4660487/normal_61b068d863caf.pdfIn PDF document text
    • https://img1.wsimg.com/blobby/go/1c7aab3a-6d8c-4966-acf3-cc441c67708e/the-noonday-devil-acedia-the-unnamed-evil-of-o.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (stream_006_off000100c6.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
stream_006_off000100c6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x100C6 22456 bytes
SHA-256: 99eb6ee94de33847da3a61b1c2829cc13356f2837b1f97772e576bc3b5ec46e4
font_01_sfnt_off00013577.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13577 20072 bytes
SHA-256: d3ab3678bfb0b3693936208bfb59c259043b60a66a9742e3e34906a75af18761

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