Malicious PDF — malware analysis report

Static analysis result for SHA-256 765dfeb7ad5993ca…

MALICIOUS

PDF

35.4 KB Created: 2021-07-09 03:10:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 979b325ef4d4b5c968438b09707fcc13 SHA-1: 51c77cb38401bad5d6774988c16a86cf8b7d1eac SHA-256: 765dfeb7ad5993cad7e13f3edf25ac370a32411d5ffb3d7a1a63c6caad4cd49a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure for a Minecraft PE download, directing users to a URL that likely hosts a malicious application. The ML classifier strongly flagged this PDF as malicious, and numerous embedded URLs were found, many related to game hacks and cheats. The presence of a download button heuristic further supports the malicious intent.

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.tw/app/479516143/minecraft-pe-015-0-apk-free-download-game-hack In PDF document text
    • http://ghi.dk/billeder/enter-the-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/how-to-hack-into-roblox-robux_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/minecraft-windows-10-edition-hacked-client_GM479516143.pdfIn PDF document text
    • http://ghi.dk/billeder/free-robux-generator-codes_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/how-to-hack-dusk-autinum-islands-roblox_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://ghi.dk/billeder/how-to-hack-roblox-im-poison_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/cheat-engine-63-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/hack-avatar_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • http://ghi.dk/billeder/comment-cheat-dans-boku-no-roblox-remastered-roblox_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/earn-robux-online_GM431946152.pdfIn PDF document text
    • http://ghi.dk/billeder/coin-master-hack-fast_GM406889139.pdfIn PDF document text
    • http://ghi.dk/billeder/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • http://ghi.dk/billeder/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • http://ghi.dk/billeder/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
    • http://ghi.dk/billeder/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • http://ghi.dk/billeder/minecraft-apk-free-download-016-0_GM479516143.pdfIn PDF document text
    • http://ghi.dk/billeder/minecraft-on-computer-free_GM479516143.pdfIn PDF document text
    • http://ghi.dk/billeder/e-free-roblox_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_off00003232.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3232 22472 bytes
SHA-256: c125544f9fd70d2df8c118f2634e89130129480c7bbb5f9305699d2115f146f2
font_01_sfnt_off00006406.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6406 19488 bytes
SHA-256: 5fbcc03ade207b067edfd8a0e3d4a08d604425caf55cf27b07311d1a51fe3a21

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