Malicious PDF — malware analysis report

Static analysis result for SHA-256 9942ca5a279e18e8…

MALICIOUS

PDF

41.7 KB Created: 2021-05-20 00:59:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 1d24c2d2830f2d0627f9e86c09ec9ab9 SHA-1: 2bc42cbb663de49eae633612aa7d367e8cd82e77 SHA-256: 9942ca5a279e18e8bb5eb326c656d4dc675953ee83bbb0e4f530ddcf012ed62c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic firing for a "free generator / game hack" lure, directing users to a suspicious URL. The document body, though partially garbled, contains references to game hacks and a primary URL. The presence of multiple embedded URLs further supports the malicious intent of redirecting users to potentially harmful content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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/1094591345/pokemon-go-free-quiz-game-hack PDF link annotation
    • http://newbeginningsranch.net/images/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • http://newbeginningsranch.net/images/coin-master-hack-android_GM406889139.pdfIn PDF document text
    • http://newbeginningsranch.net/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/ro-ghoul-script_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/easypoints-gg-roblox_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/no-verification-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://newbeginningsranch.net/images/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
    • http://newbeginningsranch.net/images/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://newbeginningsranch.net/images/how-to-make-a-group-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/wwwcoin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://newbeginningsranch.net/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/hack-client_GM479516143.pdfIn PDF document text
    • http://newbeginningsranch.net/images/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • http://newbeginningsranch.net/images/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://newbeginningsranch.net/images/rbx-claim_GM431946152.pdfIn PDF document text
    • http://newbeginningsranch.net/images/free-coin-master-spin-generator_GM406889139.pdfIn 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
stream_003_off000048ec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48EC 24356 bytes
SHA-256: 4458e2b03936e8f9e5dab282c098ead817221dcf136e40d260c244f253ff74a1
font_01_sfnt_off00008071.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8071 18344 bytes
SHA-256: 026082813bcae3445545e50ed3cc871c03c42432386a8e8487cb887357f83f00

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