Malicious PDF — malware analysis report

Static analysis result for SHA-256 d56c3ad15b8e0081…

MALICIOUS

PDF

32.6 KB Created: 2021-06-18 09:10:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c2ef68aa253eea13963fbc3117ad6df3 SHA-1: 147ed51414081416db101fc7aa15cbcbf3c0594f SHA-256: d56c3ad15b8e008146be9cdae47b30d2792c021d65312ff6cea053dfbf062fbe
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to websites offering game hacks and generators, with a primary link identified as a malicious redirector. The ML classifier also flagged this PDF as malicious. The document body and embedded URLs suggest a lure for users seeking cheats or free in-game currency, likely leading to malware downloads or phishing pages.

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-blox-no-hero-level-cheat-game-hack In PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-card-hack_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/ac-market-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/coin-master-hack-version-download-2021-android_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/robux-generator-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/daily-spin_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-hack-robux-no-generator_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-spins-and-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/synapse-roblox-exploit-free_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/robux-for-offers_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/free-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://www.emotional-training.com/storage/editor/files/minecraft-pocket-edition-hack_GM479516143.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_off000029f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29F6 22188 bytes
SHA-256: b58424ab865e2da9b2f0375b59c63eddccc47bac778ad7f1a7c1599e79313ed6
font_01_sfnt_off00005b26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B26 18872 bytes
SHA-256: 69ff72a2d1b5bc5b3fb30a6e4ad5f8dc37388d0b4ca976ae0447a5bfd7fe01ab

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