Malicious PDF — malware analysis report

Static analysis result for SHA-256 95bd8b43566fd617…

MALICIOUS

PDF

33.2 KB Created: 2021-07-19 12:32:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f9de222c6ba18aaf6a06a574b6693154 SHA-1: 0b5b3b79684844e8aaa71d65ff49b94a1e1058be SHA-256: 95bd8b43566fd6170804f372d32a15113c563215f9386c0c390bead7a2e111a3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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 http://netcdn.tw/app/479516143/minecraft-login-free-game-hack PDF link annotation
    • https://wiesbadener-marktplatz.de/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/free-tiktok-likes_GM835599320.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/minecraft-java-edition-free-trial_GM479516143.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://wiesbadener-marktplatz.de/images/free-robux-without-human-verification_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_off00002dff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DFF 22764 bytes
SHA-256: a3158e7c6e9f9b8c492b2222a2c09e38c4c57a74981024723254a8f72a588b62
font_01_sfnt_off0000608e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x608E 17996 bytes
SHA-256: a07e2ad8fd79bb30e6fc1ebe6b3b8a9b32aa8410594bf0891ac0147b7718a067

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