PDF malware analysis — malicious · 5f4643734fd7766f

MALICIOUS

PDF

34.7 KB Created: 2021-07-06 23:29:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 736678bc90c18da4b86365becd70f884 SHA-1: deb1ac9859389a56fb80958477778ea091cc8f6f SHA-256: 5f4643734fd7766fc9c001e8d67141459a4cbb432ffe319e9900ee47d8e237d2

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to a known malicious infrastructure, specifically promoting 'game hacks' and 'free generators'. The primary lure URL is http://netcdn.tw/app/479516143/how-to-hack-a-minecraft-server-game-hack. The document's content and embedded links strongly suggest a social engineering tactic to trick users into downloading potentially harmful files or visiting malicious websites.

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/how-to-hack-a-minecraft-server-game-hack In PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/how-to-get-free-obc-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/cm-daily-spins_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/get-free-robux-instantly_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/totally-free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/roblox-hack-download-no-human-verification_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/free-appsfor-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/hackspw-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/hacks-para-roblox-para-tener-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/cheat-engine-for-roblox-2021_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/robux-hack-tools_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/coin-master-100-free-spins-link_GM406889139.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/thanos-roblox-free_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/how-to-get-robux-by-hacking_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/free-cape-in-roblox_GM431946152.pdfIn PDF document text
- https://elearning.mtsngresik.online/__statics/gudangsoal/files/roblox-ninja-head-for-free_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.

Filename	Kind	Source	Size
`font_00_sfnt_off000033d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33D7	22064 bytes
SHA-256: `256fd60d939eb3c5fda4cf872be5d1e90288e2664377578011354ba95138a40d`
`font_01_sfnt_off00006471.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6471	18448 bytes
SHA-256: `f1c94bc02981aac760cf80effac2d7fab2917855e343fbf4fd70c93d36576a9e`

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