Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ca9dfc1cfcc4b36…

MALICIOUS

PDF

40.4 KB Created: 2021-05-10 20:24:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 1270385d8dc005e5319e3430890e2ba1 SHA-1: e24aa5229628fdc143dbdc575e010891f969062a SHA-256: 0ca9dfc1cfcc4b36720c1b179de59d0de08b464516522f4ecace29bbf7e12b62
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free spins, directing users to a suspicious URL. The presence of embedded URIs and a high ML classifier score indicate malicious intent. The document likely serves as a phishing or scam lure, potentially leading to further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/100-free-spins-for-coin-master-2021-game-hack PDF link annotation
    • https://www.shin.ge/images/static-moonactive-net_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/play-coin-master-online-free_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/make-robux_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/smart-lodhi-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/coin-master-game-hack-version-download_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-get-free-roebucks-without-verification_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/make-free-robux_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/roblox-report-hacker_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/roblox-person_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
    • https://www.shin.ge/images/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/robux-game_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.pdfIn PDF document text
    • https://www.shin.ge/images/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • https://www.shin.ge/images/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.shin.ge/images/free-coins-coin-master-link_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_off00004325.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4325 24832 bytes
SHA-256: b1e37182d7503e502dfebcd7a4a0599cebd724e809b037d2da657ab015559972
font_01_sfnt_off00007b30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B30 18288 bytes
SHA-256: 7a7785de19adfa5a65cd79b10bfe31691e1cdc7f9f712964e30bbfe58da4eef2

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