Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a6fdfe981f4c87e…

MALICIOUS

PDF

41.6 KB Created: 2021-05-16 22:06:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c05bc3147af99011289e28b21fbc8d45 SHA-1: b6394837daa12f145db1978a3d73e922520d1cc4 SHA-256: 6a6fdfe981f4c87e8308e2e6c0452c569a49359a9becad3d80ea1d9f719efcaa
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and free currency. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's designed as a lure for potentially harmful content. The embedded URLs likely lead to further stages of infection 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-spins-link-2021-hack-game-hack In PDF document text
    • http://pourvosvacances.com/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/get-free-cards-coin-master_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/blox-best-robux_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-spin-links-coin-master-october-30-2021_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-pet-food-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/how-to-get-roblox-money_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/minecraft-for-free-games_GM479516143.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/e-free-roblox_GM431946152.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-free-spins-5-10-2021_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/coin-master-free-spins-iphone_GM406889139.pdfIn PDF document text
    • http://pourvosvacances.com/images/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
font_00_sfnt_off000047c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47C8 24440 bytes
SHA-256: 2548ad04714ae799f61fc27cd86687e26d32dae92c270286ad9b84252093d205
font_01_sfnt_off00007fc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FC8 18456 bytes
SHA-256: cd0dac1e42acf1dd8fac6ba5781826c7c26695a9ef6d84d4a0ecdd405406f8c6

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