Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dc94d811c0eec7e…

MALICIOUS

PDF

35.9 KB Created: 2021-06-27 00:34:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c17bc15d382f53702dc260ff6ec9b70f SHA-1: 9caa80f01a3f99d13648b3d702f17221b4412ba1 SHA-256: 7dc94d811c0eec7eaeea38e5bf22dd5cbc5e9cf4b09be5b26f16b3c4c2bb4a98
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game currency and hacks to entice users to click on embedded links. The primary link directs to a known malicious redirector, which likely leads to further malicious sites or downloads. The document's content and numerous embedded URLs strongly suggest a phishing or scamming attempt designed to lead users to potentially harmful content.

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/how-to-get-free-money-in-adopt-me-roblox-2021-game-hack In PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coinmaster-twitter_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/can-i-get-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-roblox-script-executor_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/easy-no-survey-free-robux_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/robux-free-no-scam_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/abd-roblox_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/get-free-cards-coin-master_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/pubg-uc-bc-com_GM1330123889.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-100-robux_GM431946152.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-400-spins-coins-master_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
font_00_sfnt_off0000314b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x314B 22744 bytes
SHA-256: 6dcf7f8acdb81cf8ef73dbd8f0e2d1c8c7f150c7f7dbe343628e7dd32d40156b
font_01_sfnt_off00006425.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6425 20044 bytes
SHA-256: 8e10a8c7556418fc17103713c7e093b46a3b5c60c77000296adca1a73238b5a5

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