Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3a1a626266cb5e4…

MALICIOUS

PDF

44.1 KB Created: 2021-04-07 23:41:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: dd3ba7f155169a14c554ccc34521ca52 SHA-1: 4bf3e656deaac3159dce90f341c140c869db0883 SHA-256: e3a1a626266cb5e4749de06b723d566858163280d7a54e7a381abcc8119bbd2a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to websites offering game hacks and free items, specifically for Roblox. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' confirms this behavior. The document body and numerous extracted URLs reinforce the theme of exploiting user interest in game-related cheats to drive traffic to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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://gaminggenerator.org/app/431946152/free-clothes-in-roblox-2021-game-hack PDF link annotation
    • http://brokermortgages.com/images/top-5-free-robux-websites.pdfIn PDF document text
    • http://eurosystemssrl.it/images/free-hair-in-roblox-boy.pdfIn PDF document text
    • http://properteez.com/images/roblox-cookie-hack.pdfIn PDF document text
    • http://sealysports.com/images/snippet-hacks-roblox.pdfIn PDF document text
    • http://stitchingart.com/images/how-to-get-a-free-quirk-in-boku-no-roblox.pdfIn PDF document text
    • http://hydroconseil.com/images/roblox-hack-script-python.pdfIn PDF document text
    • http://safwafurniture.com/images/free-robux-gift-card-codes-december-2021.pdfIn PDF document text
    • https://kierowcyhgv.uk/images/roblox-hacker-download.pdfIn PDF document text
    • http://www.sanjosedeminas.gob.ec/images/roblox-best-free-outfits.pdfIn PDF document text
    • http://itbits.ie/images/chrome-store-extension-free-robux.pdfIn PDF document text
    • http://santeh-40.ru/images/roblox-superhero-tycoon-free-online.pdfIn PDF document text
    • https://zapoj-kharkov.com.ua/images/all-cheat-roblox-all-games.pdfIn PDF document text
    • http://erntefest2016.de/images/free-space-in-roblox-bubble-gum-simulator.pdfIn PDF document text
    • http://gestibrok.com/images/roblox-free-hate.pdfIn PDF document text
    • http://shootawayproduction.com/images/how-can-u-get-free-robux-on-roblox.pdfIn PDF document text
    • https://www.tsdb.com.au/images/codes-to-hack-roblox.pdfIn PDF document text
    • http://jakthund.org/images/how-to-redeem-a-roblox-card-for-free.pdfIn PDF document text
    • http://lechia-sedziszow.pl/images/roblox-how-to-use-cheat-engine.pdfIn PDF document text
    • https://sdg-trade.com/images/roblox-lumber-tycoon-2-cheats-xbox-one.pdfIn PDF document text
    • https://icefuture.ru/images/how-to-get-free-roblox-card-codes-hack.pdfIn PDF document text
    • https://icefuture.ru/images/how-to-get-free-roblox-card-codes-In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CDE 27640 bytes
SHA-256: d528bfbd1248266d14a5fb46c186f80a166f0e32eb9cc4ac33803bc4905bc686
font_01_sfnt_off00008a3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A3A 18204 bytes
SHA-256: 7c001f45da12a2455b85fea941d6e28ba8b0ad6a32bce366d82a4675e35a2003

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