PDF malware analysis — malicious · 6f78165bd15ffcf4

MALICIOUS

PDF

48.8 KB Created: 2021-05-12 23:30:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 72da2911b00d2130e2be35cd1c9acc45 SHA-1: 244f1d4eefcb5530cb1aa4041ae28f4c24b4cf55 SHA-256: 6f78165bd15ffcf49b2d42aba10adecd2f1076733ddb5ccc942a4abb6afbe632

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains links to known malicious redirector infrastructure, specifically promoting a 'free generator / game hack' for Minecraft. The document body and embedded URLs reinforce this lure, directing users to download pages. While no scripts were explicitly extracted, the presence of malicious links and the ML classifier's high confidence indicate a high likelihood of this document being used to deliver a malicious payload, likely via a drive-by download or a further phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.8642

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/minecraft-java-edition-free-download-game-hack In PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/how-to-get-free-golden-card-in-coin-master_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/my-robux_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/hack-coin-master-apk-31_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/play-coin-master_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/minecraft-pe-hacks-2021_GM479516143.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-facebook_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/coin-master-free-link_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/free-flip-master-coins_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/robux-link_GM431946152.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
- https://learning.mtsn8majalengka.sch.id/__statics/gudangsoal/files/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a74.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A74	27620 bytes
SHA-256: `b374075e8d5239b33fe244a09af6d9cfb5388cc00a268c64c8dffa1db959a65a`
`font_01_sfnt_off00008692.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8692	3020 bytes
SHA-256: `f1a29adcea636583330be8db4f6466410de551ac48576b9e1aa5c34e2d665a1f`
`font_02_sfnt_off000090e7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90E7	2816 bytes
SHA-256: `4555740682277f0055d57b15bd0ba953e5b51415ea3d21c93db391eace072d4f`
`font_03_sfnt_off00009af8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9AF8	18572 bytes
SHA-256: `be0be2e0bd1478f571662982334261f36152068b9a395b749ff064ff651796b1`

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