Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ceb10b8ef535849…

MALICIOUS

PDF

34.0 KB Created: 2021-06-19 18:03:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 0104f7eeb5b21c105f47aa388cac4f7c SHA-1: 06e89e4bc34d4ac4c327af8afffc6960a0d0f678 SHA-256: 2ceb10b8ef5358493a2a5738756a1f953a198a71b995ccfea6cf2961d5b03ee0
180 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and embedded text that lure users with promises of game hacks and free currency, specifically targeting Roblox and Minecraft. These links redirect to known malicious infrastructure and IP addresses, indicating a phishing or scam attempt. The document's content and embedded URLs strongly suggest a social engineering tactic to trick users into visiting malicious sites, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • 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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/how-to-hack-a-password-on-roblox-game-hack In PDF document text
    • http://103.40.122.33/akasia/repository/get-robux-for-free-for-robloxcom-free4mobile24com_GM431946152.pdfPDF link annotation
    • http://103.40.122.33/akasia/repository/free-roblox-accounts-2021-may_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/speed-hack-roblox-download-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/roblox-free-account-codes_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/roblox-t-shirt-free-download_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-hack-2021-no-download_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-join-roblox-youtubers-games-hack_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-mojang-account-with-minecraft_GM479516143.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/roblox-hacks-murder-mystery-2_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-login_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-do-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-hack-your-old-account-back-on-roblox_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/best-legit-free-robux_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/711-roblox-hacker_GM431946152.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
font_00_sfnt_off00002dad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DAD 22404 bytes
SHA-256: 71b67ab2fe735868607c7f1407012c84b27c0a676eeda8d0dffbdfafeffe04c0
font_01_sfnt_off00005f78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F78 19148 bytes
SHA-256: 541dbcbd2906a7a2e366ef60f44d8ec995669ed8f6cc19de3fcfc505d5ca03a3

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