Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7ef7ef6bd5811ac…

MALICIOUS

PDF

55.3 KB Created: 2021-04-06 11:25:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 6d4202034122b43134f0add48123d320 SHA-1: daba72e1ec8f62fec79b12bb9a4ca55d385e984a SHA-256: b7ef7ef6bd5811ac68822121e294ac56717527c5bc255a499adb5622e5602127
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links and text related to 'Roblox hacks' and 'free Robux', indicating a social engineering lure. The primary link, 'https://enigmagenerator.com/app/431946152/roblox-game-hack', is identified as a redirector for game hacks. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to lead users to malicious websites, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6397

Heuristics 4

  • 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.
  • 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://sitam.co.in/images/develepor-roblox-hacks.pdfIn PDF document text
    • https://gafaseo.com/images/how-to-get-free-bc-on-roblox-2021.pdfIn PDF document text
    • http://brandyourbody.com/images/unpatchable-new-roblox-exploit-hack-skyline-stat-change.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-xbox-one-hack.pdfIn PDF document text
    • http://junktiquecollector.com/images/2021-roblox-hack.pdfIn PDF document text
    • https://www.foodsafety.cz/images/hack-de-fly-en-roblox.pdfIn PDF document text
    • http://bc97.de/images/best-free-roblox-lua-executor.pdfIn PDF document text
    • http://ordineingsa.it/images/how-to-hack-roblox-scripts.pdfIn PDF document text
    • http://avd-weiden.bayern/images/free-roblox-vip-login.pdfIn PDF document text
    • https://rieber-transporte.de/images/would-you-get-banned-from-roblox-if-you-hacked.pdfIn PDF document text
    • https://shimony.net/images/free-roblox-gif-card-codes.pdfIn PDF document text
    • https://www.iadh.bi/images/roblox-lego-hack-2021.pdfIn PDF document text
    • http://abletrustcare.com/images/free-roblox-cards-youtube.pdfIn PDF document text
    • https://reggieslockandkey.com/images/hacker-names-on-roblox.pdfIn PDF document text
    • https://kimolos-link.gr/images/are-there-ways-to-get-free-robux.pdfIn PDF document text
    • http://ns1.radiofacil.net/images/free-group-payouts-robux.pdfIn PDF document text
    • http://www.nielsen2u.dk/images/pastebin-robux-promocode-hack.pdfIn PDF document text
    • http://vipservice-bg.com/images/roblox-hacks-account.pdfIn PDF document text
    • https://www.extremeoutdoorleague.co.za/images/free-robux-by-robuxian.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/how-to-get-free-robux-2021-promo-code.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-get-any-item-in-roblox-for-free.pdfIn PDF document text
    • http://aistplus.ru/images/free-robux-gen-website.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-guest-chat-hack.pdfIn PDF document text
    • https://fkg.usu.ac.id/images/free-neon-blue-tie-roblox.pdfIn PDF document text
    • http://jaeger-bauplanung.de/images/how-to-make-a-hot-boy-character-in-roblox-free.pdfIn PDF document text
    • http://www.imwd.it/images/hack-roblox-games-app.pdfIn PDF document text
    • https://www.appartamenticroazia24.com/images/free-roblox-tix-hack.pdfIn PDF document text
    • http://zarinnameh.ir/images/robux-javascript-hack.pdfIn PDF document text
    • https://accord.kiev.ua/images/roblox-catalog-hack-pastebin.pdfIn PDF document text
    • http://www.inservis.cl/images/free-robux-generator-and-v-bucks.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/roblox-simulator-100k-free.pdfIn PDF document text
    • http://urezerv.com/images/ping-booster-free-download-for-roblox.pdfIn PDF document text
    • http://www.marambio.com.ar/images/what-roblox-game-gives-you-free-robux.pdfIn PDF document text
    • http://businessfit.com/images/how-to-get-free-robux-2021-youtube.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/roblox-exploit-executors-free.pdfIn PDF document text
    • https://www.kambati.co.za/images/how-to-get-clothes-for-free-roblox-2021.pdfIn PDF document text
    • http://www.nicoifruttidelchicco.org/images/what-happens-if-your-hacking-in-roblox.pdfIn PDF document text
    • http://tegeler-segler.de/images/hack-roblox-arsenal.pdfIn PDF document text
    • http://iedarelief.us/images/free-and-safe-ways-to-get-robux.pdfIn PDF document text
    • http://schlossschaenke-andernach.de/images/70-free-robux.pdfIn PDF document text
    • http://www.teapotjewelry.com/images/robux-hack-codes-2021.pdfIn PDF document text
    • http://asiasieja.pl/images/how-to-get-free-items-on-roblox-2021-working.pdfIn PDF document text
    • http://www.remiauclair.fr/images/how-to-get-free-robux-easy-without-phone-number.pdfIn PDF document text
    • http://gingerscience.co.in/images/ame-kit-how-to-earn-your-free-robux.pdfIn PDF document text
    • https://masseymotorcars.com/images/green-ball-complex-free-robux.pdfIn PDF document text
    • http://www.actae.gr/images/money-woodcuting-simulator-hack-roblox.pdfIn PDF document text
    • http://cadcam.no/images/code-roblox-tokyo-ghoul-2021-free-rc.pdfIn PDF document text
    • http://www.rezbb.sk/images/chill-face-free-roblox-shirt.pdfIn PDF document text
    • http://behsanroshd.com/images/fight-club-hack-roblox.pdfIn PDF document text
    +12 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00006f4b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x6F4B 26216 bytes
SHA-256: eb3b92ffdf79c2c3fd94ffb93c91eb971bdc48ac841d4111da3fa526d9416113
font_01_sfnt_off0000aa18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA18 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000b3c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3C9 18412 bytes
SHA-256: 6f839a06c00d4e5868c8bd569eb38119050d21cbd0254db007b0980d3496c283

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