Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ce0ab3f7f1cc461…

MALICIOUS

PDF

34.0 KB Created: 2021-07-04 14:18:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: abc52d77e947630f6854c76b54425c0d SHA-1: 27b28fec494d37dcc5c956419a3ad32ef7729188 SHA-256: 3ce0ab3f7f1cc46158bc61d8a4507140a156ae27e0d9afb5a443647217769499
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links to external websites, many of which are related to game hacks and free currency, suggesting a lure for users to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button heuristic further supports a malicious intent. The primary IOC is the external URI pointing to a suspicious domain.

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.tw/app/431946152/robuxfree-con-game-hack In PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/how-to-play-roblox-on-macbook-pro-for-free_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/easy-robux-today-com_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/account-stealing-hack-roblox-zero_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/minecraft-sign-up-free_GM479516143.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-hacks-2021-mobile_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-games-free_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-roblox-pokemon-go_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-robux-codes-2021-april_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/coin-master-free-spins-gratis_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/rpxnow-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-girl-stuff-roblox_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/coin-master-daily-free-spins-blog_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/code-free-robux_GM431946152.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
font_00_sfnt_off00002eda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EDA 22620 bytes
SHA-256: c389e29fc09d7280a4a1a10720459deaac4a5b9cdcfcf1fb21570c1feacc18a3
font_01_sfnt_off00006162.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6162 18552 bytes
SHA-256: 07f4ceef81295c64281aed857bd22deb8ed60983d578a01bf899a81815814d41

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