Malicious PDF — malware analysis report

Static analysis result for SHA-256 85949bdbaa8f3e20…

MALICIOUS

PDF

42.6 KB Created: 2021-05-14 15:32:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 249e2c09608b1644d0bd4179954e7d43 SHA-1: 6ad5d95d8b812162b7dec42df066c71901963d8f SHA-256: 85949bdbaa8f3e20dca0981a5fda1314932ae9f8c8a0f1cf1a2ae3cac545f604
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to external websites, including a known malicious redirector. The document body and heuristics suggest a lure for game hacks and free in-game currency, likely intended to lead users to download malware or engage in phishing. The ML classifier strongly flagged this PDF as malicious, and the presence of redirector links indicates a high likelihood of a malicious workflow.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/479516143/minecraft-for-free-apk-game-hack In PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-unlimited-free-spins_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-robux-games_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/minecraft-beta-free_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-cheats-without-verification_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-free_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-spins_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-free-spins-link-cheat_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/www-coin-master-hack-com_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/real-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/minecraft-realms-free-codes_GM479516143.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_off00004b54.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B54 25156 bytes
SHA-256: 5ab1c060e784cea78fcdbdb37330fc43a490f0c3591bafeb69612d516372f67b
font_01_sfnt_off000084e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84E6 18056 bytes
SHA-256: d47e60dea5201fd8468efb81a59f0775697a9902aff7ce548d06165675d44cc7

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