Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e07d7ecf183e6cf…

MALICIOUS

PDF

42.1 KB Created: 2021-05-19 05:37:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e54f5064825f72e8b9791be1b61c243a SHA-1: 2c6c8e0028328f2af7a8e627a577aad94b61fc2f SHA-256: 3e07d7ecf183e6cf0e64c192e226814fc078e277be68d595fd3ae8b3282f03ef
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body and embedded URLs promote these lures, aiming to trick users into clicking through to potentially harmful sites. The ML classifier also strongly indicated maliciousness.

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/406889139/free-coins-and-spins-in-coin-master-game-hack In PDF document text
    • http://precisionheavyhaul.com/images/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/oprewards-points-generator_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-free-spins-daily-link-updated_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/minecraft-mojang-free_GM479516143.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/how-to-hack-coin-master-apple_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/roblox-hacking-website_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/robux-xyz_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/free-robux-without-verify_GM431946152.pdfIn PDF document text
    • http://precisionheavyhaul.com/images/coin-master-hack-without-verification_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_off00004905.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4905 25496 bytes
SHA-256: 392b43858ac49fa9833d6e1d0c892abaae905e436f5015cfad995f3553be3683
font_01_sfnt_off000082e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82E4 18060 bytes
SHA-256: 1b3bc7270dc207897a9e5e1a55cf6ed9cf064fa4c4c77d14f396411fde3b81d9

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