Malicious PDF — malware analysis report

Static analysis result for SHA-256 13eaab0e873a2b95…

MALICIOUS

PDF

34.5 KB Created: 2021-06-25 16:51:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7e7b11d74d914473733d03a8b842caa1 SHA-1: 2c525160f56e4a850bd66374977fd0e74e89036c SHA-256: 13eaab0e873a2b95fd4c00cf7fc8faf095c3b39e4a41097a8a925dfd804b722d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a call-to-action phrase, strongly suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious. The primary URL, http://netcdn.co/app/431946152/how-to-hack-roblox-paintball-rank-game-hack, is likely the destination for the lured user, potentially leading to a download or further compromise. No scripts were extracted from this sample.

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.co/app/431946152/how-to-hack-roblox-paintball-rank-game-hack In PDF document text
    • http://digilibfisip.unla.ac.id/repository/robuxmaniac-free-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/roblox-free-models_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/comment-avoir-la-free-verification-pour-robux_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/backpaking-roblox-free-generator_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/roblox-song-i-want-to-break-free_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-connection-lost-hack_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spins-daily-fb-champion_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/followers-bot-free-roblox_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/wikihow-roblox-hack_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/roblox-free-anamations_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spins-uk_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-minecraft-capes-no-mods_GM479516143.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
    • http://digilibfisip.unla.ac.id/repository/get-free-robux-today_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
font_00_sfnt_off00002f8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F8B 22404 bytes
SHA-256: 79cfb4f57a98fdca6bdb528513d9e203ca33c87d5bd30411bf26f2b57dedd1fb
font_01_sfnt_off00006148.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6148 19200 bytes
SHA-256: 987cd86f6a2542ae5a3c7c70d487333dc7b66f095d29cb7fe111c4e4da5b50ef

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