Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc7408464bc5e960…

MALICIOUS

PDF

42.1 KB Created: 2021-05-11 13:12:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: af1a0d12a32385cc320ce955d0ee6e7a SHA-1: 2ecb4c8cc45197ed58258b3bb1664165446ed8f4 SHA-256: fc7408464bc5e9604ea124036c8fdb102b85e81a67409bd2217998af7c3b4eed
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free game hacks' and generators. The primary malicious URL identified is https://netcdn.xyz/app/479516143/minecraft-pe-server-hosting-free-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering attack aimed at tricking users into visiting potentially harmful sites.

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-pe-server-hosting-free-game-hack In PDF document text
    • http://thomas-hartl.at/images/how-to-get-free-spins-on-coin-master-2021-ios_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/roblox-person_GM431946152.pdfIn PDF document text
    • http://thomas-hartl.at/images/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-app-hacks_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://thomas-hartl.at/images/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-game_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/game-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
    • http://thomas-hartl.at/images/cm-spin-link_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/mcpe-free-download_GM479516143.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-hack-online-generator_GM406889139.pdfIn PDF document text
    • http://thomas-hartl.at/images/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://thomas-hartl.at/images/coin-master-free-spins-iphone-2021_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_off00004b81.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B81 24276 bytes
SHA-256: 2b3884163ba9943c7db0ed588b89095fd701a2d0a20faaf06d6d3326bc41983c
font_01_sfnt_off00008245.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8245 18264 bytes
SHA-256: 5ec3f0b561cebc5d47f64e939320a46a649b92723dcace5f5f230f044584545d

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