Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9e5382fd029114b…

MALICIOUS

PDF

31.2 KB Created: 2021-05-15 12:37:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 21dbe8fa8c111227a987f50ab0ab8336 SHA-1: 77ad25e4354eedabf9cd782db28b7c615f339f0e SHA-256: f9e5382fd029114b879c4f57272c17457d80ea1ba1ff46756fdaf3f6efc704b1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains links to a known malicious redirector infrastructure, specifically promoting 'free spins' and 'game hacks' to lure users. The embedded content, though obfuscated, appears to contain further links to similar lure pages. This suggests the primary goal is to redirect users to potentially malicious sites, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 3

  • 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.
  • 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/406889139/100-free-spins-for-coin-master-2021-game-hack In PDF document text
    • http://www.pleiadisrl.it/images/como-hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/free-400-spins-coins-master_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/oginject-co_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/how-to-get-100-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/free-robux-rewards_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/coin-master-hack-spins_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/free-girl-hair-roblox_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/daily-coin-master-free_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/coin-master-free-spins-link-download-for-iphone_GM406889139.pdfIn PDF document text
    • http://www.pleiadisrl.it/images/coin-master-hack-cheat-engine_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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a17.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A17 24580 bytes
SHA-256: 692e0aaa9abb7e5e02946487384b67f1d87caae0be0bd6b62d78d4819ad5360d

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