Malicious PDF — malware analysis report

Static analysis result for SHA-256 cabbbde8ada981d6…

MALICIOUS

PDF

41.5 KB Created: 2021-05-12 02:05:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8f61c803fd5a8ef00530b270e52abac4 SHA-1: 3cf958a06f3a4b5fa0b4a27507a138edab090872 SHA-256: cabbbde8ada981d627c34eb58a0715e78baf4332efc96e6c4f36b4e923dbd8fe
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicated maliciousness, and the document body contains numerous URLs pointing to sites offering "free games," "hacks," or "spins," suggesting a lure for users to download potentially malicious content. The presence of embedded URLs and the overall theme align with a phishing or scam attempt, likely delivered as a spearphishing attachment.

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-games-coin-master-game-hack In PDF document text
    • https://www.zagorjeadventureteam.hr/files/coin-master-free-spin-sites_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/coin-master-2021_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/coin-master-hack-review_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/how-to-get-free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/how-to-get-800-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/free-roblox-followers_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/moon-active_GM406889139.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/cone-master_GM406889139.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • http://zagorjeadventureteam.hr/files/roblox-generator_GM431946152.pdfIn PDF document text
    • https://www.zagorjeadventureteam.hr/files/spin-hack-for-coin-master_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_off00004a0d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A0D 24196 bytes
SHA-256: b85a9938c05b4f9ae4997f93ef59505f1f25b01e0adf64c57b5d3e5154bf9dd6
font_01_sfnt_off000080db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80DB 17968 bytes
SHA-256: 5fada2ff63ba62223632bc56e8dfb1643a49e6b45897fd934634a5dc4cc15e02

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