Malicious PDF — malware analysis report

Static analysis result for SHA-256 d868a0c5699393e6…

MALICIOUS

PDF

44.7 KB Created: 2021-06-13 20:15:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5c9d366ef78a54787e99eb7ceea618dc SHA-1: bd5e7b469f65d8964a50e3a7c71c9bccf20e455c SHA-256: d868a0c5699393e6854019ce0182a83739ef29bfca572bde5f69ae88c2cffe2d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites that are advertised as game hacks and generators. The primary link, http://netcdn.co/app/431946152/youtube-roblox-robux-hack-2021-game-hack, is flagged as a malicious redirector. The document's content and embedded links strongly suggest a lure to download potentially malicious files or engage in phishing activities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/youtube-roblox-robux-hack-2021-game-hack In PDF document text
    • http://ig-tauchen.de/images/1x1x1x1-roblox-id_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/real-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/roblox-ninja-assassin-hack_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://ig-tauchen.de/images/coin-master-for-pc-free-download_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/hack-to-kick-out-roblox-players_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/free-spin-coin-master-today_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/free-shirt-roblox_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/minecraft-education-free_GM479516143.pdfIn PDF document text
    • http://ig-tauchen.de/images/coin-master-hack-without-human-verification-india_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/roblox-hack-exploit-download_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://ig-tauchen.de/images/minecraft-net-free_GM479516143.pdfIn PDF document text
    • http://ig-tauchen.de/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://ig-tauchen.de/images/how-to-get-minecraft-for-free-2021_GM479516143.pdfIn PDF document text
    • http://ig-tauchen.de/images/how-to-hack-roblox-2021_GM431946152.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_off000048f1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48F1 28696 bytes
SHA-256: f5d3374eb0eb7f63326880369650ff400a6f60fae3189fb9f8ac81844bb9be97
font_01_sfnt_off00008a2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A2E 18992 bytes
SHA-256: a78cb808cf9934314cb802af514755dbc55dbf0b0e65418fb10c5e5afeb867ee

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