Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae034549ba0e75fd…

MALICIOUS

PDF

44.0 KB Created: 2021-05-12 23:01:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: fb8c0ee1a8bbc1e67e0743bd501bee38 SHA-1: 702781c42e3d72356fc5d3147debcbc05b9726c4 SHA-256: ae034549ba0e75fd5f5a5970f35574ad143195f603343055bbe4413276de7c9d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector domains and specific game-related lures, such as 'freerubux-game-hack'. These links are flagged as malicious and lead to known malicious infrastructure. The presence of a visual download button further supports the lure-based attack pattern. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/431946152/freerubux-game-hack In PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/free-coins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/roblox-free-models_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/free-robux-images_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/robux-money_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/krnl-roblox_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/how-to-get-free-robux-games_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/coin-master-game-hack_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/free-roblox-script-executor_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/free-daily-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • http://amanaya.in/uploaded_files/userfiles/files/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049ad.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49AD 28708 bytes
SHA-256: 3f8047745e457ea56ebe1b925cee33a633b0e7fcf0a0adaceea71fffbce781df
font_01_sfnt_off00008b48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B48 17872 bytes
SHA-256: f4416bbc5f287efcbe31c7b4c704cc92a0ced0ddcdd2f5cfb5fb7d41fdf7fc1a

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