Malicious PDF — malware analysis report

Static analysis result for SHA-256 eee5530f1040fba1…

MALICIOUS

PDF

34.8 KB Created: 2021-06-29 17:04:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 8d87f7a3abba9bb709dceadd041b3cf3 SHA-1: 1be50c82358b5fe32d1434cc066fa2baeee18645 SHA-256: eee5530f1040fba1b3a9a539687a3b1d0ad7e5d2dd0a591dd09759eb38a59e6e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hacks and generators. The primary lure URL is http://netcdn.co/app/431946152/hack-mui-dragon-ball-noob-roblox-game-hack, which is associated with known malicious redirectors. The document body and embedded URLs reinforce the theme of exploiting popular games for in-game currency or cheats, a common social engineering tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/hack-mui-dragon-ball-noob-roblox-game-hack In PDF document text
    • http://www.ocic.hr/files/hacks-robux-apk_GM431946152.pdfIn PDF document text
    • http://www.ocic.hr/files/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
    • http://www.ocic.hr/files/set-yourself-free-roblox-id_GM431946152.pdfIn PDF document text
    • http://www.ocic.hr/files/robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.ocic.hr/files/ss-by-snape-2021-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.ocic.hr/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://www.ocic.hr/files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • https://www.ocic.hr/files/how-to-leak-a-roblox-map-with-cheat-engine_GM431946152.pdfIn PDF document text
    • http://www.ocic.hr/files/roblox-one-piece-mythical-fruits-hack_GM431946152.pdfIn PDF document text
    • https://www.ocic.hr/files/cheat-engine-table-roblox_GM431946152.pdfIn PDF document text
    • http://www.ocic.hr/files/free-tiktok-likes-generator_GM835599320.pdfIn PDF document text
    • http://www.ocic.hr/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://www.ocic.hr/files/how-to-hack-roblox-ninja-legends_GM431946152.pdfIn PDF document text
    • http://www.ocic.hr/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://www.ocic.hr/files/coin-master-15-free-spin-link-today_GM406889139.pdfIn PDF document text
    • https://www.ocic.hr/files/minecraft-java-account-free_GM479516143.pdfIn PDF document text
    • https://www.ocic.hr/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.ocic.hr/files/free-robux-discord-servers_GM431946152.pdfIn PDF document text
    • http://www.ocic.hr/files/static-moonactive-net_GM406889139.pdfIn PDF document text
    • http://www.ocic.hr/files/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E8B 23012 bytes
SHA-256: 253e623d8d10b94f8c6e3c0aa8d283f5b90361133d1ba5b66b2b824c47794fa0
font_01_sfnt_off00006266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6266 19280 bytes
SHA-256: eba76068ff923171b8c2d5ff9157525e8019e656328bfda6f3420d16c3c73451

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