Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cba1f44c5d67230…

MALICIOUS

PDF

44.2 KB Created: 2021-05-15 16:32:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0466f470e6a129716c64b71ec00f45ee SHA-1: 520b825e9ff06e925d5b7c4700e734740d084704 SHA-256: 2cba1f44c5d67230d0982af428acd67dbce3403d27cd5fa323f7edbdee99002b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including a known malicious redirector, under the guise of providing game hacks or generators. The document body and embedded URLs strongly suggest a lure to trick users into visiting these sites, likely for further malware delivery or phishing. No scripts were extracted, but the PDF structure and embedded links are indicative of a malicious redirector pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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/is-there-any-way-to-get-free-robux-game-hack In PDF document text
    • https://moralcenter.or.th/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://moralcenter.or.th/images/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/roblox-rules_GM431946152.pdfIn PDF document text
    • http://moralcenter.or.th/images/minecraft-ios-mods_GM479516143.pdfIn PDF document text
    • https://moralcenter.or.th/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/free-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • https://moralcenter.or.th/images/bux-free-robux_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
    • http://moralcenter.or.th/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/how-to-hack-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
    • http://moralcenter.or.th/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/coin-master-support_GM406889139.pdfIn PDF document text
    • https://moralcenter.or.th/images/withdraw-robux_GM431946152.pdfIn PDF document text
    • http://moralcenter.or.th/images/roblox-no-download-hack_GM431946152.pdfIn PDF document text
    • https://moralcenter.or.th/images/free-spins-on-coin-master_GM406889139.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_off00004a1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A1F 27188 bytes
SHA-256: 732127de2f348f12c3ed6a2a802e543e21fb1d16b76f57f3009bdc6230dc566d
font_01_sfnt_off00008889.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8889 18892 bytes
SHA-256: d4b621edf5ac5f073c5a65dd804db4f1f2ad13c123c1b5ace541ce5f5c284f58

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