Malicious PDF — malware analysis report

Static analysis result for SHA-256 93582077df189901…

MALICIOUS

PDF

45.9 KB Created: 2021-05-10 21:13:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 6efe95deb39111edc365b454f7803600 SHA-1: 3cb2d4ca732e43a0ea723d970d13dd90848390a8 SHA-256: 93582077df189901a1c6588f3a23516280424eab03e30077a960548131dc0832
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and generators, directing users to a suspicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the PDF structure and embedded links suggest it's designed to redirect users to potentially malicious content, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

Heuristics 4

  • 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.
  • 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://netcdn.xyz/app/431946152/how-to-change-your-username-on-roblox-for-free-2021-game-hack PDF link annotation
    • http://elsenorcafe.com.co/images/minecraft-games-free-to-play-online_GM479516143.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/free-coin-master-cards-link_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/how-to-hack-coin-master-with-game-guardian_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/hack-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/worst-client_GM479516143.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/teach-me-to-hack_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/100-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/coin-master-time-speed-hack_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/free-robux-hack-us_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/multiplayer-master-hack-coins_GM406889139.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://elsenorcafe.com.co/images/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A3 24836 bytes
SHA-256: 6ba9e9f72df57ec336397f030bc78d944a70820a01d97a72ee472af4bd3ad512
font_01_sfnt_off00008255.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8255 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off00008c06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C06 19944 bytes
SHA-256: d2d351a2bb3d9cdd89a343a2df83fee6a5e97dfcbb0487b5d11b0c8b9fdf99d5

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