Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd5d5ec8eade4d14…

MALICIOUS

PDF

44.9 KB Created: 2021-05-16 03:33:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f9d44e5d8c57584add9240915afc9465 SHA-1: e1c6bde2cb429c80881b0762259b4d41959b4e56 SHA-256: cd5d5ec8eade4d145b9c05ccb6302eb4e3b4e2deaa48c0de81ee148bd0d3ae78
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to websites offering game hacks and free in-game currency, such as Minecraft and Roblox. These links are flagged as malicious redirectors, indicating a likely attempt to lead users to phishing sites or download further malware. The document's content and the presence of malicious links strongly suggest a social engineering lure for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/479516143/how-to-get-minecraft-for-free-on-ipad-game-hack In PDF document text
    • http://julo-it.net/images/password-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-reward-link-2021_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/how-to-get-free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/com-roblox_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/are-robux-generators-safe_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/how-to-hack-coin-master-spin-ios_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/free-roblox-hair-codes_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-hack-spins-apk_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-free-chip_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/how-do-u-hack-roblox_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_off00004b3d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B3D 25096 bytes
SHA-256: ccd8d6bc99b1c9da448e7a732759647f2b63baff6354eb00a7d66b0d939e13d3
font_01_sfnt_off00008395.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8395 2824 bytes
SHA-256: 61b3a573627d4f03d30684157e1627da3b4499cefab0fdf17b45999135b0250b
font_02_sfnt_off00008d3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D3C 18224 bytes
SHA-256: 9e691df568453236f4d0ad162bd2f3ab3ed053816089b7695d089a9ceca8acc7

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