Malicious PDF — malware analysis report

Static analysis result for SHA-256 92aba09dfe83fcbf…

MALICIOUS

PDF

42.5 KB Created: 2021-05-17 20:50:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7cea9eb7be460a6a561676f3466df4ce SHA-1: 625fb86c9892df4b49c1cce1db7327e917c60dde SHA-256: 92aba09dfe83fcbfea22f816560fa8ffd996b26c2135bc06bb454b2c643c1d9d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to a malicious website, identified as a 'game hack' lure. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves tricking users into clicking these links, likely leading to further malware downloads or phishing attempts.

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/coin-master-free-spin-daily-bonus-game-hack In PDF document text
    • https://www.elevage-chiot.fr/images/robux-only_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/free-coin-link-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/free-spin-coin_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/martian-lettuce-coin-master-free_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/make-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/coin-master-pc-hack-download_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/freespinandcoinblogspot-com-2021-11-coinmasterfreespins_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/free-robux-cards_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/claimrobux-net_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/roblox-generator-com_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/twitter-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/100-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/minecraft-hacks-xbox-one_GM479516143.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.elevage-chiot.fr/images/coin-master-hack-without-verification-code-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_off000048c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C1 24996 bytes
SHA-256: 6282d78ba51609f42fbcb1f0dcebc08d13e52f01d6e492e47bad9c801c6a8b7d
font_01_sfnt_off0000828d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x828D 18664 bytes
SHA-256: 29d8625a2420ffd124556d82128af1f24a8175557156c607f082fe8065d24199

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