Malicious PDF — malware analysis report

Static analysis result for SHA-256 072b3faa8204614c…

MALICIOUS

PDF

42.5 KB Created: 2021-05-14 13:09:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 4d0682d477d566738c87bcd511455428 SHA-1: 625b8450bca323c96724ca138b48da3bfd63a0da SHA-256: 072b3faa8204614c101ae86c0ac24d4dfcc98555e30bc8fbb743165b4ca08dd5
82 Risk Score

Malware Insights

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

The PDF document contains a high-confidence heuristic indicating it links to a game hack redirector, specifically for 'Coin Master'. The document body, though partially corrupted, contains references to game hacks and URLs that reinforce this lure. The primary malicious URL identified is https://netcdn.xyz/app/406889139/coin-master-heaven-free-spins-today-game-hack, which likely serves as the initial landing page for a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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-heaven-free-spins-today-game-hack PDF link annotation
    • https://www.guterdj.de/images/coin-master-tricks_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/hack-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/coin-master-pc-game-free-download_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/master-coin-free-link_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/my-robux_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/unlimited-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/links-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • https://www.guterdj.de/images/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/mcpe-master-coins-hack-download_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://www.guterdj.de/images/robux-withdraw_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://www.guterdj.de/images/can-you-play-minecraft-for-free_GM479516143.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
stream_003_off00004a87.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A87 25292 bytes
SHA-256: f4c09cc67c091da8e7b29a2528be2c2a24d5bb7c3abb4ff0c2399c7d4fc0efb0
font_01_sfnt_off00008380.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8380 18356 bytes
SHA-256: 60a5a430713f1161b8494f77535ec8b7c572fc0a829325370a59d32a1885166f

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