PDF malware analysis — malicious · 0324b827ffd9fa91

MALICIOUS

PDF

46.5 KB Created: 2021-05-15 09:17:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 37d4ad4f806ed617ad7899d572f79865 SHA-1: 80730ac1e7b8c18e218fb027d71c86e2182d9b97 SHA-256: 0324b827ffd9fa9175acadb1850e1f74c635078e8147ca6241c484bc22fe7b78

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a link to a URL that is flagged as a game hack generator, a common lure for malware distribution. The document also contains heuristics indicating a lure to execute commands via the clipboard, suggesting an attempt to trick the user into running malicious code. While no scripts were directly extracted, the overall pattern points to a malicious document designed to exploit user interest in game cheats to deliver a payload.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

Heuristics 6

PDF links to a 'free generator / game hack' redirector high 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.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
QR-code redirect lure medium SE_QR_LURE

Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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
External URI info PDF_URI

PDF contains an external URL action
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/simplysarc-game-hack PDF link annotation
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/free-robux-easy_GM431946152.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-dungeons-for-free_GM479516143.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/earn-points-for-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/free-coin-master-links_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/free-minecraft-java-edition-codes_GM479516143.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/free-minecraft-codes_GM479516143.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://elearning.mtsnegeri1mojokerto.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-for-robux_GM431946152.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.

Filename	Kind	Source	Size
`stream_003_off00004eaf.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4EAF	25988 bytes
SHA-256: `ae9ae177fc1be3cb4851827e83f04a52b12bad465cb6a020c669144b6fbc1221`
`font_01_sfnt_off00008a13.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A13	2940 bytes
SHA-256: `eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a`
`font_02_sfnt_off00009423.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9423	18156 bytes
SHA-256: `d1e3c8cc46daa8b4e8a3620fd036fa3afc0951971ec214e12238e772f71f3550`

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