PDF malware analysis — malicious · cf2d4e1cac656fe7

MALICIOUS

PDF

34.3 KB Created: 2021-06-20 07:51:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 511dafd497572468c6e18438c8ac28a1 SHA-1: beb22554a9da1afb84eb21edf0d8ce00193f872c SHA-256: cf2d4e1cac656fe7c595ce80f220cfc54463ece4f7c2b8ae5bc9dbce1bd1dc0e

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 0.9980

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 http://netcdn.co/app/431946152/how-to-get-free-clothes-on-roblox-on-phone-game-hack PDF link annotation
- https://lesegais.ru/images/roblox-lua-executor-free_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/roblox-jailbreak-money-hack-deutsch_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-roblox-card-codes-2021-no-survey-no-download_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/tiktok-free-likercom_GM835599320.pdfIn PDF document text
- https://lesegais.ru/images/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/pubg-uc-generator-without-human-verification_GM1330123889.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-codes_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/win-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/quiz-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-roblox-accounts-2021-june_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/roblox-cheat-engine-66-bypass_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/get-free-robux-just-enter-username_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-game-hack-apk_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-websites-2021_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_off00002e1b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E1B	22652 bytes
SHA-256: `0fa09253ab48614c49fef73b479b4e48f9be5f389f843530faad707f36f871dc`
`font_01_sfnt_off00006094.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6094	19240 bytes
SHA-256: `3bdb1160f46723a11fb1a3b4dadf4e0c662ae9dd3bcb6dfd3169d718fe541693`

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