Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b090a69154c8567…

MALICIOUS

PDF

46.6 KB Created: 2021-05-14 08:13:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2f001e7d09a9e16a0542930a759edc41 SHA-1: e9679c82424768212a92470bd26ba3b70accc6a8 SHA-256: 6b090a69154c85674eb18d51a3f14ae943091f5e930b01a340ec51e38c4ddfcc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure, presenting itself as a 'free generator' or 'game hack' to entice users to click embedded links. The primary link, https://netcdn.xyz/app/406889139/coin-master-hack-xyz-download-free-game-hack, is identified as a malicious redirector. While no scripts were extracted, the document's structure and embedded URLs strongly suggest a phishing or malware distribution attempt, likely initiated via spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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-hack-xyz-download-free-game-hack In PDF document text
    • https://farmaciadelbivio.it/images/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/fbchampion_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/get-free-spins-on-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/coin-master-34-5-hack_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-400-spins-coins-master_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/coin-master-official-fan-page_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-roblox-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-minecraft-mods-for-xbox-one_GM479516143.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/android-coin-master-3433-apk-hack_GM406889139.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • https://farmaciadelbivio.it/images/free-spin-and-win-coin-master_GM406889139.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_off00004de1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4DE1 24792 bytes
SHA-256: 1f68987847a6eeb5e038e790aa37349756a5147d093f7f95714166bd8cd213e2
font_01_sfnt_off00008683.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8683 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off000091ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91AD 18952 bytes
SHA-256: 779e1b2868c6fd3267453bb754d4fa6de943de141d85dc4b922527d53be01414

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