Malicious PDF — malware analysis report

Static analysis result for SHA-256 afadf75e72cd8684…

MALICIOUS

PDF

47.2 KB Created: 2021-05-14 22:47:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d9b79a14076847d4d5a064eb73660793 SHA-1: a712aedceecb21ecac280ebe57722de8b17fd4a4 SHA-256: afadf75e72cd8684f2dff987225dcaee6976849b6b798c83d7ebd47c7fad9fe1
160 Risk Score

Malware Insights

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

The PDF document contains multiple links designed to lure users to a malicious redirector infrastructure, specifically promoting "game hacks" and "free generators". The primary malicious URL identified is https://netcdn.xyz/app/406889139/coin-master-unlimited-spins-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing or scam attempt, likely leveraging social engineering to drive traffic to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/406889139/coin-master-unlimited-spins-game-hack In PDF document text
    • https://www.elternrat-bolligen.ch/images/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/coin-master-fan-page_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/hack-coin-master-xyz_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/rbxdemon_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/free-robux-today_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/free-roblox-intros_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/coin-master-hack-apk-facebook-login_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/free-robux-co_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/coin-master-hack-version-download-2021-android_GM406889139.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/collect-robux_GM431946152.pdfIn PDF document text
    • https://www.elternrat-bolligen.ch/images/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.urcouponsdeal.com/2019/03/coin-master-free-spin-and-coin-links.htmlIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b8d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B8D 27016 bytes
SHA-256: 230d587fda26a9f95fb1d1e0492ba35653e6b99a03bfcdd31060800a97dac854
font_01_sfnt_off000089b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89B2 3380 bytes
SHA-256: 1dd933c112880b232546f3aab6a17784a8f412d39fd551cc6eb31c5a04c3ce57
font_02_sfnt_off0000959a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x959A 18416 bytes
SHA-256: 2819b97f5983e3f22772fe648ff6c71d7ba3247a5cdc01de3c66e535b1fe6453