Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dbb29ceebc001fd…

MALICIOUS

PDF

48.5 KB Created: 2021-05-16 07:39:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: cd3fd6d281abe8bcb424e5c12936c377 SHA-1: 7755892a0131f98f65f13e7d12b330aa89e718f2 SHA-256: 9dbb29ceebc001fd8144c08329e57990e2ee6f6da8e0cb38780bd1410cb9fa20
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, specifically promoting 'Roblox Hack App' and 'game hack' lures. The document body, though heavily obfuscated, contains references to these lures and the primary malicious URL. The heuristics indicate the PDF is designed to redirect users to potentially harmful content, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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/roblox-hack-app-game-hack In PDF document text
    • http://www.flotom.at/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-link_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/give-me-robux_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/free-robux-on-phone_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/free-roblox-website_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/robuxy-com-generator_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/free-cheat-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-free-spins-that-really_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-daily-free-spins-link-today-blog_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://www.flotom.at/images/free-robux-groups-2021_GM431946152.pdfIn PDF document text
    • http://www.flotom.at/images/robux-for-surveys_GM431946152.pdfIn 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_off000047bd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47BD 31244 bytes
SHA-256: 71c72e37163a60fc5ad6aed3e71b36c178ef249ef7f93e1a2bec487221cc8f46
font_01_sfnt_off00008e23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E23 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009aca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9ACA 18356 bytes
SHA-256: 7cdc4109e76722f5b523df4cd1b295e2212ddbe91aca110ba626f8c95e058f26

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