Malicious PDF — malware analysis report

Static analysis result for SHA-256 98e32f32571a0d80…

MALICIOUS

PDF

42.3 KB Created: 2021-05-13 10:03:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b591dc2db48459c0c283c1eb800fae3b SHA-1: 3f25c9a7ba7da674f63c23817c34d97d813744f6 SHA-256: 98e32f32571a0d803135cb5a534c4a4d3cf4da4f8dd4a90a850ee5f40ca28ddd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and references to game hacks and free currency, strongly suggesting a lure for users to download potentially malicious files. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the document's theme indicate an attempt to trick users into visiting malicious sites, likely for malware distribution.

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-free-game-hack In PDF document text
    • http://tileworld.com.au/files/my-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/minecraft-anarchy-server-no-hacks_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/robux-link_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/free-links-to-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-link-daily-get-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-redeem_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-18_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-apk-facebook-login_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-game-pack-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-accounts-for-sale-free_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-com-2021_GM431946152.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_off00004d56.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D56 24336 bytes
SHA-256: 461721b878591a0953f0d0341c4b8dcf518c09c721fe57b2d2e231f904267d24
font_01_sfnt_off000084f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84F7 17724 bytes
SHA-256: f623db3d5896acbfca75c1fa71b49e9ae1d6d1c000a87567f3c2fb9ea3a364ca

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