PDF malware analysis — malicious · 955cdce957cd0fe7

MALICIOUS

PDF

45.6 KB Created: 2021-06-11 07:10:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 2f7e314e46455bf7c759241cd98c88e5 SHA-1: 2def4a104349d6b65a74f3553136c74e3f043e3a SHA-256: 955cdce957cd0fe77b29dda8507e96b73fae18c6c3d0d4fffce6fd1678e3bc39

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 0.9864

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.tw/app/431946152/roblox-free-hats-2021-game-hack PDF link annotation
- https://lesegais.ru/images/roblox-apocalypse-rising-get-hardocre-free_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-minecraft-shaders_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/300-daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-roblox-accounts-generator_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/hack-username-and-password-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-free-ios-no-verification_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/free-roblox-hack_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/gold-card-coin-master-free_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/cool-free-roblox-outfits_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-game-hack-apk_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/in-roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/gaming-cheats-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/roblox-hack_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-facebook-free-spins_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/ww-robux_GM431946152.pdfIn PDF document text
- https://collectrobuxIn 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
`stream_004_off00004e42.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4E42	27864 bytes
SHA-256: `095e9a4584c780ef63daa1301cc4c4b1e06fcdfe33afbb2d639ec82aba549031`
`font_01_sfnt_off00008e50.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E50	18684 bytes
SHA-256: `447a02e86a9220aa02a2ed92a986fa2b95d6ce44f73dc7a62c2c6acdb13b7b02`

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