Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbda80800bc32eb1…

MALICIOUS

PDF

33.2 KB Created: 2021-06-30 20:32:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e0b3ec94eb958001857d0ad3d8fd76f2 SHA-1: 3167188701fdfa60c7a1e5df381b538e3cd8a3e3 SHA-256: fbda80800bc32eb1eba27408ffbd8b49b3a25b78e11a254927da0576b5c57020
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and lures users with promises of game hacks. The document body and embedded URLs strongly suggest a phishing attempt to trick users into downloading potentially malicious files or visiting compromised websites. The ML classifier also flagged this PDF as malicious with high confidence.

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/roblox-eg-testing-coin-hack-game-hack In PDF document text
    • https://i-tech.ac.id/perpus/repository/roblox-hacking-system-download_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/3-roblox-hacks-you-need-to-know_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/rocash-roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/pls-free-robux_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/free-robux-no-buying-anything_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/hack-para-tener-robux-como-tener-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/free-space-in-roblox-bubble-gum-simulator_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/wanted-money-hack-roblox_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/how-to-make-roblox-pants-for-free_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/free-robux-script_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/how-to-get-free-robux-code-easy-free-robux-codes_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/get-free-robux-on-roblox-cheat_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/roblox-plates-of-fate-hacks_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/can-you-hack-on-an-alt-on-roblox_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/roblox-god-mode-hack-pastebin_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/roblox-pet-simulator-dominus-huge-hack_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/app-cheats-online-roblox_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/como-hackear-robux-en-roblox-facil-y-rapido-en-celular_GM431946152.pdfIn PDF document text
    • https://i-tech.ac.id/perpus/repository/ulgames-resources-roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B21 22616 bytes
SHA-256: 8cd8740c28af669505f23d8d31bd536f5d69c860222f0bab5fae902783ffd043
font_01_sfnt_off00005d92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D92 18880 bytes
SHA-256: 3db60e980a04bcf60832d503b289f88ecbe47d2420e0ee9de96f9bbf69d81203

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