Malicious PDF — malware analysis report

Static analysis result for SHA-256 b89ff0af10be3261…

MALICIOUS

PDF

43.7 KB Created: 2021-05-17 04:44:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1ab07f7fd006c19bed1548b1c1e3fc40 SHA-1: add2f2dc51ed210ed806060affaa044d272d1be2 SHA-256: b89ff0af10be3261aa236b79bcecfd5192e2747eac8523c237eebe7a3bfb1f0b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and websites offering game hacks and cheats, indicating a lure for users to download potentially malicious content or visit phishing sites. The ML classifier also flagged this PDF as malicious. The embedded URLs suggest an attempt to redirect users to external sites for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/mcpe-master-coin-hack-apk-game-hack In PDF document text
    • http://caraless.com/images/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/how-to-hack-a-minecraft-account_GM479516143.pdfIn PDF document text
    • http://caraless.com/images/free-coin-master-credit_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/free-robux-youtube_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/legit-coin-master-hack-october-2021_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/free-roblox-accessories_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
    • http://caraless.com/images/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdfIn PDF document text
    • http://caraless.com/images/free-robux-videos_GM431946152.pdfIn PDF document text
    • http://caraless.com/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000452c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x452C 24644 bytes
SHA-256: ab0c72b1c55c3a3b084135591ffd0b3076de30beee6c932082ebcf07f9857af8
font_01_sfnt_off00007e0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E0B 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off00008935.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8935 17892 bytes
SHA-256: df4699ad1f6ddac4a242edb3e57737628ee6aca47845cdea5c03b85425c35389

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