Malicious PDF — malware analysis report

Static analysis result for SHA-256 00c14bffcc9f98d3…

MALICIOUS

PDF

47.2 KB Created: 2021-06-04 00:26:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a3549c73ab4ed43a3df8c9d95208fee2 SHA-1: 5e4bd1ff1a3f5cc515a35be992f7c5b5ef1eb2ab SHA-256: 00c14bffcc9f98d3248595042f15f40d6b28f54725b47d49dad91b004c531342
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a website offering game hacks. The ML classifier also flagged this PDF as malicious. The document body, though partially corrupted, contains text related to game hacks and the primary malicious URL. The presence of these elements strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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.online/app/406889139/hack-coin-master-online-without-human-verification-game-hack In PDF document text
    • http://library.itekes-bali.ac.id/repository/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/free-coin-master-coins-2021_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/rewards-robux_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/robux-com-free_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/roblox-inappropriate_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/www-coin-master-hack-com_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/minecraft-items_GM479516143.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/coin-master-hack-here_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/daily-free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/robux-today_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/minecraft-free-edition_GM479516143.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/coin-master-spin-hack-2021_GM406889139.pdfIn PDF document text
    • http://library.itekes-bali.ac.id/repository/free-spin-and-coin_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005094.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5094 25248 bytes
SHA-256: 41660721f914a0cbf9561164aa06b10f6841ac7ed13c93cf178277a5f7fa4cb5
font_01_sfnt_off00008aa5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AA5 2880 bytes
SHA-256: b053084cafd01c649462d87667ba56c569d6480ce60e7d20ae57ef6124cf178e
font_02_sfnt_off00009490.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9490 18688 bytes
SHA-256: aff6012002d7c8d1238c8ca496166b12a8d25d6fb5282892c0f4493fdd227159

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