Malicious PDF — malware analysis report

Static analysis result for SHA-256 2aeb45da7c755153…

MALICIOUS

PDF

45.2 KB Created: 2021-06-08 01:08:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3ebe2d0bff5e35acf08546039c8c988b SHA-1: 6461c3a4e641cc88015345f391df8abe457ce056 SHA-256: 2aeb45da7c7551530b4c73fa495fbcf09313bbc3d727112814cbaf8b91986917
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The ML classifier also flagged this PDF as malicious. The presence of embedded URLs and the lure of game hacks suggest a phishing or scam attempt, likely to lead users to download further malware or compromise their accounts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.tw/app/431946152/boku-no-hero-roblox-hack-game-hack In PDF document text
    • http://schrichte.de/images/facebook-coin-master_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/coin-master-free-500-spins-link_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/robux_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/krnl-download_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/robux-fun-hack_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
    • http://schrichte.de/images/sb-game-hacker-coin-master_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/hacks-master-coin_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/www-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/roblox-games-com-free_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/free-roblox-outfits-2021_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • http://schrichte.de/images/free-robux-real-working_GM431946152.pdfIn PDF document text
    • http://schrichte.de/images/buy-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • http://schrichte.de/images/roblox-oof-free-download_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_004_off00004edd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EDD 28384 bytes
SHA-256: 83ce0bcee0d03c6832086013e9fcf414cf83f9c8f276e58d75c1c253e35d3b25
font_01_sfnt_off00008de8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE8 18320 bytes
SHA-256: d12cb348b3399c29432f4e0063f2ef4c4304217bafa5dc496fb3fa7510719aec

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