Malicious PDF — malware analysis report

Static analysis result for SHA-256 7467bbb58979fcea…

MALICIOUS

PDF

43.6 KB Created: 2021-05-16 14:25:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 58690a59fc5487ab3412cb47331feeae SHA-1: 85f39f46fb38396bb118e2dbd82687d17c215a42 SHA-256: 7467bbb58979fceaa3b925f4b3115a2c9a0fa498b2581677d189cc632d543a84
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to 'free game hacks' and links to external URLs, strongly suggesting a social engineering attack. The primary URL, https://netcdn.xyz/app/479516143/how-to-get-minecraft-dungeons-for-free-game-hack, is identified as a game hack redirector. This indicates the document's purpose is to trick users into visiting malicious sites, likely for malware distribution or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/how-to-get-minecraft-dungeons-for-free-game-hack PDF link annotation
    • https://www.aevasia.com/uploaded_files/userfiles/files/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-hack-unlimited-spins_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/roblox-hack-ios_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/free-links-coin-master_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/wurst-minecraft_GM479516143.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/free-coins-for-flip-master_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-free-link-2021_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-coins_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/toolbox-for-mcpe_GM479516143.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/coin-master-free-spins-2021-apk_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/free-downloads-for-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
    • https://www.aevasia.com/uploaded_files/userfiles/files/free-foxy-food-coin-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
stream_003_off00004cab.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CAB 25812 bytes
SHA-256: 56c436596156c9ce0d98ecb098f1e4fcb3488622e2126eb532cfceab18f1284c
font_01_sfnt_off0000876b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x876B 18472 bytes
SHA-256: 65ee82f26cafa7906902f4dbf8f4098f0781a130d3f16ad2d63d9ccc83542dd0

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