Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6beda07e4d99caf…

MALICIOUS

PDF

43.0 KB Created: 2021-05-15 00:51:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a80ec785ae4fe02b64d2b4ffbf233010 SHA-1: fef92c5676cac398d102918203d2fdfb66614f8f SHA-256: b6beda07e4d99caf8857d051829941c2637fc7570fbb8ed3cc48def1d0296f0d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and infrastructure, specifically advertising 'free generators' and 'game hacks'. The document body and embedded URLs strongly suggest a lure to trick users into downloading potentially malicious files or visiting phishing sites. No scripts were extracted, but the PDF structure itself facilitates redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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 https://netcdn.xyz/app/431946152/getrobux-now-game-hack In PDF document text
    • https://de-licht.com/image/data/files/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-robux-picture_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • https://de-licht.com/image/data/files/latest-free-spin-coin-master-daily_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/minecraft-mobile-free_GM479516143.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/robux-gratis_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/free-roblox-svg_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-free-coin-and-spin-app_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/rbx-robux_GM431946152.pdfIn PDF document text
    • https://de-licht.com/image/data/files/coin-master-free-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • https://de-licht.com/image/data/files/pig-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004753.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4753 27540 bytes
SHA-256: 1f2634af28c4a43fae813f5bd2e5a849784342d8e94d51e6aba3d88acde54f4f
font_01_sfnt_off00008631.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8631 18120 bytes
SHA-256: de6bc5a2c3ccfe8cd092df1e0cd700ba4b2d067c0892dbade0599f643b41633a

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