Malicious PDF — malware analysis report

Static analysis result for SHA-256 2689abacc26b7fe2…

MALICIOUS

PDF

35.1 KB Created: 2021-07-04 07:33:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dee7cc8c426781cfcffee10480c726cd SHA-1: 3b777c5387cc034d35668cba61ccae48aa33c2b3 SHA-256: 2689abacc26b7fe22c074fedb84812de1b71d7696b46715244023a9d566d66ad
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for linking to a malicious redirector, specifically advertising a 'Coin Master Hack Apk'. The document body reinforces this by presenting the same lure and URL. This indicates a social engineering attack designed to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/406889139/coin-master-hack-apk-latest-version-2021-game-hack In PDF document text
    • https://library.sman1berau.sch.id/repository/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/can-you-still-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-free-spins-generator-no-human-verification_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-coin-and-spin-link_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-game_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-to-get-followers-on-tiktok-for-free_GM835599320.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/roblox-free-robux-com_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-links-for-free-spins_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-exploits-for-roblox_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/pseint-exist-hack-roblox-lvl-6_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/robux-generator-com_GM431946152.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/se-puede-hackear-coin-master_GM406889139.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/pokemon-go-free-60fps_GM1094591345.pdfIn PDF document text
    • https://library.sman1berau.sch.id/repository/coin-master-cheats-free_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000313a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x313A 23044 bytes
SHA-256: fb82751549c243fd44790646ed584f471a235b570413adb94ee7a1a8367e6735
font_01_sfnt_off0000651e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x651E 18716 bytes
SHA-256: 04aba7d2e289c091ccbfaebbbbb145b3c76518e7cd2388b1a4a248e825abd4e2

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