Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcab7c8c1ca2c681…

MALICIOUS

PDF

44.7 KB Created: 2021-06-02 10:10:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 34041ab404e2b30f3224879239c8aa03 SHA-1: d9ed4fcac08e613437ce2ee08cb0080bed1475ff SHA-256: dcab7c8c1ca2c6814ce2ecef2eb5fe19ead5796e180bf1ee6adb6b8ce9c10108
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector domains, specifically targeting users interested in game hacks and free generators. The primary lure directs to a URL associated with 'game hack' content, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a malicious workflow designed to lead users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.xyz/app/431946152/how-to-hack-to-go-through-walls-roblox-game-hack In PDF document text
    • https://www.romedia.gr/images/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-get-free-robux-inspect_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/minecraft-free-app_GM479516143.pdfIn PDF document text
    • https://www.romedia.gr/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-generator-com_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/robux-boost_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-pro-hack_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-game-hacking_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/dominus-roblox-free_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/minecraft-hacker-mask_GM479516143.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
stream_004_off00004c2f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C2F 27020 bytes
SHA-256: 8803cf6fdaffb90651f47649b957729e00ff0db59fafeab4bfbc3746cf7d863b
font_01_sfnt_off00008990.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8990 19136 bytes
SHA-256: 5fc8cfda77d3232b5ee7734e82e8604f4d08ab9ad13e8845b765da373505faa0

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