PDF malware analysis — malicious · 333b5e8ce405f5c4

MALICIOUS

PDF

52.7 KB Created: 2021-04-06 17:15:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: d1ad78a8a38857e76db819ae8191f2e9 SHA-1: 9d0e6c3aa5e10f2db49a8fe143afb6620cba87b6 SHA-256: 333b5e8ce405f5c4654c85093dc4ddd89725609d3a3d1271d533c23b8da2646b

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses a LOLBin command-execution lure. 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 0.8852

Heuristics 5

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.
LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND

Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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://enigmagenerator.com/app/431946152/roblox-game-hack PDF link annotation
- https://shimony.net/images/robux-hack-2021-download.pdfIn PDF document text
- http://www.imperialaccountingfl.com/images/roblox-hack-easy-and-fast.pdfIn PDF document text
- http://cosver.eu/images/roblox-walk-through-walls-cheat-engine-jailbreak.pdfIn PDF document text
- http://grand-ural74.ru/images/how-to-get-free-robux-may-2021.pdfIn PDF document text
- https://hbln.org.au/images/free-robux-roblox-game-image.pdfIn PDF document text
- http://parafia-nspj-lebork.pl/images/admin-free-download-roblox.pdfIn PDF document text
- http://kaleasm.org/images/roblox-tix-factory-tycoon-hack.pdfIn PDF document text
- http://www.torvet11.dk/images/free-gift-card-codes-roblox-2021.pdfIn PDF document text
- http://www.rezbb.sk/images/roblox-hack-no-verification-2021.pdfIn PDF document text
- http://tehergumi.hu/images/roblox-money-giver-hack.pdfIn PDF document text
- http://techmobil.pl/images/how-to-get-free-roblox-items-google.pdfIn PDF document text
- http://www.cosver.nl/images/how-to-hack-someones-account-on-roblox.pdfIn PDF document text
- https://kierowcyhgv.uk/images/pastebin-hack-de-roblox.pdfIn PDF document text
- http://pielab.gr/images/free-robux-generator-secure.pdfIn PDF document text
- http://salantiskis.lt/images/cheat-the-plaza-roblox.pdfIn PDF document text
- http://bb-im2.com/images/guava-juice-robux-hack.pdfIn PDF document text
- https://www.abrapppe.org.br/images/free-ways-to-get-robux-on-roblox.pdfIn PDF document text
- https://www.saisystem.it/images/hack-mad-city-roblox.pdfIn PDF document text
- https://wandersuechtig.de/images/free-robux-promo-code-generator-2021.pdfIn PDF document text
- http://bibliotheque-perrigny-les-dijon.fr/images/car-sim-free-code-roblox.pdfIn PDF document text
- http://daksz.hu/images/https-iosgodscom-topic-20213projectrobloxhackbeta-page5.pdfIn PDF document text
- http://www.inservis.cl/images/how-to-get-free-robux-from-slingtv.pdfIn PDF document text
- http://wiesbadener-marktplatz.de/images/free-robux-tix-bc-co-cc.pdfIn PDF document text
- http://technologicalsc.com/images/free-roblox-womens-face.pdfIn PDF document text
- https://www.hotschool.com.au/images/how-to-hack-leah-ashe-roblox-account.pdfIn PDF document text
- http://smart-pro.co.uk/images/free-robux-planet.pdfIn PDF document text
- http://bullyinformate.org/images/bugmenot-roblox-hack.pdfIn PDF document text
- http://www.laborvetro.org/images/cool-roblox-t-shirts-free-shipping.pdfIn PDF document text
- http://mycounty.com.ua/images/free-robux-hack-no-human-verification-2021.pdfIn PDF document text
- http://italyfixer.com/images/how-to-hack-a-roblox-account-to-show-peoples.pdfIn PDF document text
- http://jugendfeuerwehr-scheinfeld.de/images/how-to-get-free-jailbreak-money-roblox.pdfIn PDF document text
- http://www.occquimica.com.br/images/electric-state-roblox-hack.pdfIn PDF document text
- http://bibliotheque-perrigny-les-dijon.fr/images/roblox-hack-pacht.pdfIn PDF document text
- http://bned-leader.co.uk/images/roblox-free-robux-obby-link.pdfIn PDF document text
- http://avd-weiden.bayern/images/how-to-get-free-robux-2021-on-xbox.pdfIn PDF document text
- http://bestmaids.co.uk/images/free-robux-cheats-2021.pdfIn PDF document text
- http://zercalo.org/images/tower-defense-hack-roblox.pdfIn PDF document text
- http://www.cuniv-naama.dz/images/free-roblox-accounts-with-obc-2021.pdfIn PDF document text
- http://magistrinfo.ru/images/hack-for-one-piece-open-seas-roblox.pdfIn PDF document text
- http://rivas-treuhand.ch/images/roblox-robux-promocodes-no-hack-free.pdfIn PDF document text
- https://www.belgium-archery.be/images/como-obtener-robux-hack.pdfIn PDF document text
- https://avn.kz/images/free-robux-codes-2021-for-adopt-me.pdfIn PDF document text
- https://asesoriamss.com/images/claim-your-free-roblox-card.pdfIn PDF document text
- http://inertportal.ru/images/how-do-you-get-free-robux-on-kindle-fire.pdfIn PDF document text
- http://baah.ca/images/get-free-robux-by-joining-this-group.pdfIn PDF document text
- http://bestmaids.co.uk/images/roblox-hack-robux-gratis-2021.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/free-robux-ico.pdfIn PDF document text
- http://sb2m.com.br/images/free-roblox-resources.pdfIn PDF document text
- https://www.arquetopia.org/images/how-to-get-free-robux-using-cmd.pdfIn PDF document text
+9 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00006ad8.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x6AD8	27868 bytes
SHA-256: `4c85849759e7b6fd7c660eba5d7997ffeeddd5ad65f92855eb90f00be5aec9dd`
`font_01_sfnt_off0000aae9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAAE9	17904 bytes
SHA-256: `973a0c48ae04ca5efed21aea29c105807f45312970bf59c7fed462658931b2da`

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