Malicious PDF — malware analysis report

Static analysis result for SHA-256 1495f265bf0d16c4…

MALICIOUS

PDF

34.9 KB Created: 2021-06-30 23:18:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: abc63d1fec804a6d6d83378a058fa806 SHA-1: c7fb20eb22653a4e38459f0409d52835923af478 SHA-256: 1495f265bf0d16c429e2b03a84bc93ce646aacf5f663708a46cbbd2504e3e942
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically promoting 'free Robux' or game hacks. The document body and extracted URLs strongly suggest a phishing or scam attempt designed to lure users to malicious websites. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely leading to further malware downloads or credential harvesting.

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/best-free-robux-obby-game-hack In PDF document text
    • http://lib.kunci.or.id/repository/do-do-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/easypoints-gg-roblox_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/roblox-boy-outfits-free_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-roblox-hacks-no-install_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/hacking-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/captian-underpant-book-in-roblox-gives-you-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-hack-beach-simulator-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/v3rmillion-roblox-cheat-engine-table-lua-script_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/mobihack-net-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/roblox-ban-proof-hack_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-get-free-robux-on-roblox-legit-hack_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/minecraft-free-games-no-download_GM479516143.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/i-hacked-robux_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/roblox-lumber-tycoon-2-hack-cheat-engine_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/roblox-free-robux-codes-2021-no-human-verification_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_off000030d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30D6 22552 bytes
SHA-256: 80def0461d8a2c5a1d11e50d96b80012e7a2cf592218d2a77a3e336801f8886f
font_01_sfnt_off0000636b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x636B 19000 bytes
SHA-256: 1117ece13bdf9fad62db393b3ef9d129524eb3cffa686cddbaec0ac91a6ef85d

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