Malicious PDF — malware analysis report

Static analysis result for SHA-256 90f2213c85b5a2bc…

MALICIOUS

PDF

48.1 KB Created: 2021-05-19 15:13:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0fc49dcaca9c09ccfff87dd475f7f84a SHA-1: ab4c7425ad802a7cc3d073f0fb22ff8dc8f814ce SHA-256: 90f2213c85b5a2bc7d955b562df90db9ff49af065303106f76b73715914830dd
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to websites offering 'free generators' and 'hacks' for popular games like Roblox and Coin Master. These lures are designed to trick users into visiting potentially malicious sites or downloading further malware. The ML classifier strongly indicated maliciousness, and the embedded URLs are consistent with a phishing or malware distribution scheme.

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/431946152/change-roblox-username-free-game-hack PDF link annotation
    • http://pourvosvacances.com/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-spin-online-tool-coin-master_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-game-hack-app-download_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/robux-com-free_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-get-free-robux-games_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-fun-robux_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-spins-coin-master-links-twitter_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-rewards-app_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-rape_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-human-verification_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/minecraft-free-android_GM479516143.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-coin-master-gift-link_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-hack-generator_GM406889139.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a38.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A38 35452 bytes
SHA-256: 4ef6b7be79bf7728fbe695068d9c314275c699ebd83cba16174f5b64b664d9c5
font_01_sfnt_off000097e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97E6 19076 bytes
SHA-256: ccbe2cbfd93c87dda4ae88ea57378c4fd35d5f9fd376cb1def2d05d8f185a132

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