Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf0298c3d56ff840…

MALICIOUS

PDF

42.2 KB Created: 2021-05-15 12:52:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a862895385e4d2535f8949ea01ee9d73 SHA-1: 029d2ffe4587f5fe95742bd66c27fbc8ca4f4851 SHA-256: cf0298c3d56ff8409f29cd7d96256f4c6960024fb90f5178f8e4c191e5973e42
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and infrastructure, disguised as "game hacks" or "generators". The document body, though heavily obfuscated, contains URLs that are consistent with these lures. The primary function appears to be directing users to potentially malicious websites, likely for further exploitation or credential harvesting.

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/get-me-robux-game-hack In PDF document text
    • http://beagle-cindy.de/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/john-doe-roblox-hacker_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/minecraft-116-free-download_GM479516143.pdfIn PDF document text
    • http://beagle-cindy.de/images/www-roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/coin-master-blogspot-free-spins_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/coin-master-free-spins-link-quora_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/how-to-get-free-mods-in-minecraft_GM479516143.pdfIn PDF document text
    • http://beagle-cindy.de/images/coin-master-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/free-spins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://beagle-cindy.de/images/mc-hacks_GM479516143.pdfIn PDF document text
    • http://beagle-cindy.de/images/coin-master-hack-unlimited-spins-game-download_GM406889139.pdfIn PDF document text
    • http://beagle-cindy.de/images/cm-spin-link_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_off00004a1d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A1D 24936 bytes
SHA-256: fa77c2b1a22fae494934bc9669419c3269c9fd5800553bb1632ef8d9ce41f37b
font_01_sfnt_off000082f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82F8 18152 bytes
SHA-256: a45e33870dcdfec4be2d188e583d66387a562064ddf1ebe544b9a56fe2c1f10f

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