Malicious PDF — malware analysis report

Static analysis result for SHA-256 30cd5b4bf8f9f049…

MALICIOUS

PDF

34.4 KB Created: 2021-06-20 03:26:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4c596dd1fd7c015f87cd523b51031f67 SHA-1: adc952d1a9989b077109badd12400a5f9d982808 SHA-256: 30cd5b4bf8f9f049ca386d9e449ba7c42a04928f442e3c84b0da1e00a3198f2b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure for game hacks and currency generators, directing users to a malicious redirector. The document contains multiple links to potentially malicious domains, including one identified as a known malicious redirector. The primary purpose appears to be social engineering users into visiting these sites, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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/free-cookie-logger-for-roblox-game-hack In PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/roblox-gift-card-generator-hack_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/robuxmatchcon_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/robux-generator-that-works_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/how-to-change-roblox-username-for-free_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/coin-master-homepage_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/how-to-hack-roblox-passwords-2021_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/i-want-robux_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/free-redeem-code-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/roblox-fly-hack-pastebin_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/new-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/what-is-coin-master_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.elsire.co.in/uploaded_files/userfiles/files/earn-free-robux-for-roblox_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_off0000300e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x300E 22372 bytes
SHA-256: ad2a8ed007b8458987c256262c571d9caab36b682d61277cd16d80e5c646525f
font_01_sfnt_off000061ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61CA 18940 bytes
SHA-256: ba3393117bc5dbb66be13287b47a9486a99e9b6b88e39ffbb5d99802dec3c50a

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