Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0533c5a680d73ce…

MALICIOUS

PDF

43.1 KB Created: 2021-05-14 11:09:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d56b7fa915aed67ee31d8411122f1d51 SHA-1: 935c51505020a3f614ac751a393ffefb6fc65caf SHA-256: c0533c5a680d73cefab10098e682da78e272724edd29635452c47726a82e112c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs that lead to a known malicious redirector, suggesting an attempt to distribute malware or unwanted applications. The document body and extracted URLs explicitly mention 'hacks' for games, indicating a lure to trick users into downloading malicious files. While no scripts were directly extracted, the presence of malicious links and the nature of the lures strongly suggest a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9630

Heuristics 3

  • 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-3.2-hack-apk-game-hack In PDF document text
    • http://hocquaux.fr/images/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://hocquaux.fr/images/how-to-earn-free-stars-on-coin-master_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://hocquaux.fr/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://hocquaux.fr/images/coin-master-daily-rewards-link_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/roblox-place-rewards_GM431946152.pdfIn PDF document text
    • http://hocquaux.fr/images/robux-hack-me_GM431946152.pdfIn PDF document text
    • http://hocquaux.fr/images/free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/minecraft-java-server-hosting-free_GM479516143.pdfIn PDF document text
    • http://hocquaux.fr/images/coin-master-jackpot-madness-hack_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/minecraft-aimbot_GM479516143.pdfIn PDF document text
    • http://hocquaux.fr/images/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/free-daily-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://hocquaux.fr/images/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
    • http://hocquaux.fr/images/coin-master-twitter-free-spins_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/how-to-get-free-spins-on-coin-master-2021-links_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/minecraft-112-hacked-client_GM479516143.pdfIn PDF document text
    • http://hocquaux.fr/images/spin-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://hocquaux.fr/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://coinmasterspinandcoin.comIn 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_003_off0000456d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x456D 23856 bytes
SHA-256: 2f65fc8d1760a6b5c274b17240464065c3c2615b305716c5fa93488aed46cbda
font_01_sfnt_off00007bdc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BDC 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off0000858d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x858D 18256 bytes
SHA-256: f76fe5021fb1b68ba348fdc14abba29e58efdbffac8c556b15bcd17928341cf7

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