Malicious PDF — malware analysis report

Static analysis result for SHA-256 816414fd878d335e…

MALICIOUS

PDF

33.8 KB Created: 2021-07-01 07:18:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3e71d9ad499fe3f59bacaa1e1bcf5d3c SHA-1: be9f72eb0396398e2c130fc4defba067301f8dc3 SHA-256: 816414fd878d335e82823dbf0892f63d32b16a9f38bf77327fb66a67b78f4cf8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to malicious infrastructure, masquerading as game hacks or generators. The ML classifier strongly indicated maliciousness, and the document body reinforces the lure by mentioning 'Free Modded Minecraft Server'. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to trick users into downloading potentially harmful content or visiting malicious sites.

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/479516143/free-modded-minecraft-server-game-hack In PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/how-to-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/unpatched-cheat-engine-roblox-2021-february_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/coinmaster-spin-ml_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/are-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/how-to-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/free-spins-coin-master-ios-links_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/roblox-counter-blox-roblox-offensive-free-skins_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://nextindiatimes.com/assets/ckfinder/core/connector/php/uploads/files/smart-lodhi-coin-master-hack_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_off000032bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32BD 21496 bytes
SHA-256: f3ee90f3811b532f88f3a41b3632111a2ed4e528d52fec1f8abd4be13a7e6b20
font_01_sfnt_off00006181.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6181 18284 bytes
SHA-256: c44f5995e1a698afb30ee04b8d335bc8d1a723b5683d31903f3ca0c4c9b26917

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