Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0d95326633747a4…

MALICIOUS

PDF

41.7 KB Created: 2021-05-12 18:06:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 331a63e773112203ac6cedb9646e6962 SHA-1: 1e5f2207c6753ec32f4eb3a5f94299efee5dc23f SHA-256: b0d95326633747a420d33a063ff7737efde1cee42778652ed3c80d4e51478359
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and generators. The document body and embedded URLs suggest a lure for free in-game currency or hacks, which is a common social engineering tactic. The primary malicious activity observed is the redirection to potentially harmful websites.

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-fire-game-hack In PDF document text
    • http://ivalor.fr/images/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/make-free-robux_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/minecraft-switch-free_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-game-hack-apk_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/google-roblox-games_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-spin-ml_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/robux-free-promo-codes_GM431946152.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/free-minecraft-java-edition-account_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/minecraft-free-minecoins_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/coin-master-free-stars_GM406889139.pdfIn PDF document text
    • http://ivalor.fr/images/minecraft-free-apk_GM479516143.pdfIn PDF document text
    • http://ivalor.fr/images/free-roblox-hack_GM431946152.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_off000047aa.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47AA 25436 bytes
SHA-256: 634dd39204aa6bb68315ba0bbbb8a5dfb75a9dbc7a5a49f162c00148eeb54a41
font_01_sfnt_off00008262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8262 17712 bytes
SHA-256: 0afd6f2792edb83b7f2a0201a1e0a5eb12ca81ad868fb3e42742340ee6e5fb0e

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