PDF malware analysis — malicious · 7de16de053640e6b

MALICIOUS

PDF

64.1 KB Created: 2021-04-06 06:05:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-23

MD5: 0caafa6a43d8a011625af6b6d2f1b570 SHA-1: f768ccc77cccfc27417043551aff984aa8c48dd0 SHA-256: 7de16de053640e6b06059acd22acf0a78603c56a8c087dbac6a68252692c19cb

112 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a prominent link and heuristic firings indicating a 'game hack' lure, specifically targeting Roblox users. The embedded URL 'http://gaminggenerator.org/app/431946152/roblox-game-hack' is the primary indicator of this malicious intent. The document body, though heavily obfuscated, contains references to 'hack' and 'Roblox', reinforcing the lure. The fake CAPTCHA heuristic suggests an attempt to trick the user into executing further actions.

Machine Learning

Nyx PDF Classifier suspicious score 0.4394

Heuristics 5

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.
Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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://gaminggenerator.org/app/431946152/roblox-game-hack PDF link annotation
- http://svp-steinmaur.ch/images/how-to-get-free-robux-dount-shop.pdfIn PDF document text
- https://kimolos-link.gr/images/denis-free-admin-town-roblox.pdfIn PDF document text
- http://internetdeputy.com/images/roblox-wave-defender-hack.pdfIn PDF document text
- http://agroturismoarkaia.com/images/roblox-weight-lifting-simulator-hack.pdfIn PDF document text
- https://cdu-lengerich.de/images/roblox-hacker-download.pdfIn PDF document text
- http://www.eptaviation.com/images/roblox-catalog-hack-2021.pdfIn PDF document text
- https://socialvalue.gr/images/cheat-engine-for-robux-683.pdfIn PDF document text
- http://butkimloai.com/images/esp-hack-for-roblox.pdfIn PDF document text
- http://www.remiauclair.fr/images/funny-hacker-scripts-roblox.pdfIn PDF document text
- http://cekmekoygundem.com/images/city-architect-roblox-hack.pdfIn PDF document text
- http://aeroclub-kaernten.at/images/www-robux-hack-com.pdfIn PDF document text
- http://www.anies.eu/images/how-to-hack-roblox-heros-of-robloxia.pdfIn PDF document text
- http://bkd1.balikpapan.go.id/images/on-roblox-how-do-you-hack.pdfIn PDF document text
- http://ims-77.fr/images/discord-roblox-hacks.pdfIn PDF document text
- http://www.ntc.edu.za/images/roblox-comrobloxplay-now-for-free.pdfIn PDF document text
- https://www.utalii.ac.ke/images/free-robux-master.pdfIn PDF document text
- http://www.pro-futuro.eu/images/free-hello-neighbor-roblox.pdfIn PDF document text
- http://cosver.eu/images/roblox-what-to-do-if-you-get-hacked.pdfIn PDF document text
- http://batutynas.lt/images/roblox-hack-2021-no-human-verification.pdfIn PDF document text
- http://kids-academy.pl/images/limited-universe-robux-hack.pdfIn PDF document text
- https://www.ghknights.org/images/roblox-hack-tool-download-android.pdfIn PDF document text
- http://www.nielsen2u.dk/images/roblox-hack-script-list.pdfIn PDF document text
- http://www.hawler.in/images/kill-all-prison-life-roblox-hack-script.pdfIn PDF document text
- http://saip.ws/images/free-robux-now-com.pdfIn PDF document text
- http://hondenspecialist-engelien.nl/images/nonsense-diamond-roblox-hack.pdfIn PDF document text
- https://www.fhccu.com/images/vheachle-simulator-cheats-roblox.pdfIn PDF document text
- http://kids-academy.pl/images/roblox-hack-phantom-forces-aimbot.pdfIn PDF document text
- https://shimony.net/images/hack-tower-battles-roblox.pdfIn PDF document text
- http://www.torvet11.dk/images/roblox-free-robux-scam-uncopylocked.pdfIn PDF document text
- https://letturatarghe.it/images/synapse-free-download-roblox.pdfIn PDF document text
- https://billiekawende.com/images/shirt-ash-on-roblox-free-on-shirt-free.pdfIn PDF document text
- https://studentcareerinfo.com/images/great-roblox-hacks.pdfIn PDF document text
- http://intrasservices.com/images/roblox-players-that-give-free-items.pdfIn PDF document text
- http://hydroconseil.com/images/robux-hack-generator-2021.pdfIn PDF document text
- http://www.evaplast.by/images/roblox-free-army-shirt.pdfIn PDF document text
- http://wireprod.net/images/hacked-bunny-ears-roblox.pdfIn PDF document text
- https://www.ergolight.at/images/https-www-blox-land-free-robux.pdfIn PDF document text
- http://www.evaplast.by/images/free-robuxs-pa.pdfIn PDF document text
- http://traveltrucks.com.au/images/download-app-hack-roblox.pdfIn PDF document text
- http://lewishome.net/images/roblox-2021-hacks-catalog-free.pdfIn PDF document text
- http://precitool.ch/images/roblox-new-free-shirt-template.pdfIn PDF document text
- http://sdsdar.org/images/roblox-cheat-codes-rocitizens-november-2021.pdfIn PDF document text
- http://immo360grad.com/images/roblox-cheatus-limited.pdfIn PDF document text
- http://altc.de/images/free-hacks-for-roblox-2021.pdfIn PDF document text
- https://rietenwinkel.nl/images/actual-working-free-robux.pdfIn PDF document text
- http://arkivthy.dk/images/hilton-hotels-roblox-hack.pdfIn PDF document text
- http://www.rezbb.sk/images/cheats-for-dungeon-quest-roblox.pdfIn PDF document text
- http://cdescolapios.org/images/can-you-earn-robux-for-free.pdfIn PDF document text
- http://legs11.co.za/images/how-to-hack-roblox-cheat-engine-67.pdfIn PDF document text
+5 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000080ef.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x80EF	25360 bytes
SHA-256: `5b1efcd6c41ddd3c671da9c0079ffb90fbe8aba1e038c8980c6dee56424e8de0`
`font_01_sfnt_off0000bb41.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBB41	11440 bytes
SHA-256: `154d59d1680f2d1e38ccb783d6997f344290d121007e51df331726de4128c12e`
`font_02_sfnt_off0000d661.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD661	18536 bytes
SHA-256: `b306fe248f6ef1df0b3c2f52940c0653603e8218f63489da2d710ea8657910c5`

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