PDF malware analysis — malicious · 7b2753c6c2c7b645

MALICIOUS

PDF

49.9 KB Created: 2021-06-02 15:02:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 24e0632d864336be710ecb4825042827 SHA-1: b1e9c372d7ebb5da0fd224b2aa54f262d99e55aa SHA-256: 7b2753c6c2c7b64514d5ad9e20dfe00feafa238e78f161f97abb8b19c4b4efd4

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

Heuristics 4

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.
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/431946152/athena-hacks-roblox-game-hack PDF link annotation
- http://aviaprofsoyuz.info/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/plug-toolbox-for-minecraft-free-ios_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/minecraft-free-download-chromebook_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/rbxcity-free-robux_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/no-human-verification_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-download-coin-master_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/minecraft-java-edition-free-code_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-minecraft-java-account_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/get-free-roblox_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-roblox-toy-codes-not-used_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/download-coin-master-hack-tool-v1-9_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-robux-generator-2021_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_004_off000050f7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x50F7	27544 bytes
SHA-256: `ea3fb1cec0755ac37eeaf417cbe1eebc7adbf164980f1a1db284b9765d52308d`
`font_01_sfnt_off00008fbe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FBE	6768 bytes
SHA-256: `fa93de321190668b294ff46149e4b98ac349b4fd022dcee9ecd964f7f59f3f9a`
`font_02_sfnt_off00009ffd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FFD	18452 bytes
SHA-256: `6f42eaf0e1bcd35d4a5100533e1cf6f7f2d56060e91817b8c5474aa8658b9756`

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