Malicious PDF — malware analysis report

Static analysis result for SHA-256 d89ccb5dba9045f7…

MALICIOUS

PDF

32.9 KB Created: 2021-06-18 01:47:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e322747f3635a066291ce6787b4c4faa SHA-1: 9a0326dae838243078197af8ab85e45917f48885 SHA-256: d89ccb5dba9045f7ec7522643f82610e50f2af3dbf8d79ce12f9865001166152
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and sites offering game hacks and generators, indicating a phishing or scam attempt. The document body explicitly mentions 'Saber Simulator Roblox Hack Script' and includes a call to action to access a 'ROBLOX GENERATOR', reinforcing the lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/saber-simulator-roblox-hack-script-game-hack In PDF document text
    • https://htdvn.com/public/upload/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/rich-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-play-alone-esrly-acces-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-group-roblox_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/pubg-uc-logo_GM1330123889.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/www-free-robux-com_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-executors-for-roblox_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/coin-master-free-spins-cheats_GM406889139.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://htdvn.com/public/upload/files/free-robux-survey_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
font_00_sfnt_off00002a02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A02 22360 bytes
SHA-256: c0720780160357ee95c31a7fa3610f9ef8be1b10573aa3a353e58883c7cdf1e0
font_01_sfnt_off00005b43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B43 19272 bytes
SHA-256: 9f470e77a720c2e95a11ba1eadf7a2cb18180dff97ff80ddaeefdd3a9b0b0842

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