Malicious PDF — malware analysis report

Static analysis result for SHA-256 7faf3ee61af73f3b…

MALICIOUS

PDF

48.5 KB Created: 2021-06-02 21:44:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8c97768a40cfbdd648d979d7aef2775f SHA-1: d34e2041d82596d9ab145a3304a1338d69768e4c SHA-256: 7faf3ee61af73f3bdb628b31bcd93f2fb33c960b821dd714de7f9911e2e6c56e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on them by promising free game items or hacks. The primary link redirects to a known malicious infrastructure, and several other embedded URLs point to domains that host similar deceptive PDF files. The document body, though partially corrupted, contains references to game hacks and URLs, reinforcing the lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/roblox-headless-horseman-free-game-hack In PDF document text
    • http://neltalen.nl/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • http://neltalen.nl/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://neltalen.nl/images/how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/www-roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://neltalen.nl/images/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/roblox-hack-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/how-to-get-robux-fast_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/how-do-i-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://neltalen.nl/images/village-coin_GM406889139.pdfIn PDF document text
    • http://neltalen.nl/images/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • http://neltalen.nl/images/coin-master-free-spins-hack-link_GM406889139.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_004_off00004dd1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DD1 26868 bytes
SHA-256: f47e9e149f720082e9cbda460a05c8e354be4acb880df09ff277b2bdc0b23aa5
font_01_sfnt_off00008ccb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CCB 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off000099dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99DD 18612 bytes
SHA-256: 30760e4131e78a1fef14600866df37ca080a67bb506167e738629d4f4176a981

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