Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e84099ccb0aae2b…

MALICIOUS

PDF

44.4 KB Created: 2021-05-16 12:30:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 7ad5a38aaedc42e676d113a531296550 SHA-1: 6d370c3984f545168483b89e71654ccc14c03087 SHA-256: 3e84099ccb0aae2bbc8bfd9933f9b05f4b970420121a997988eb0b69df1e6182
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and known malicious infrastructure, disguised as game-related lures. The primary redirector URL is https://netcdn.xyz/app/406889139/coin-master-free-spins-link-2021-april-game-hack. This suggests the document is intended to trick users into visiting malicious sites, likely for phishing or to download further malware. No scripts were extracted, but the embedded links and heuristic firings strongly indicate a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/406889139/coin-master-free-spins-link-2021-april-game-hack In PDF document text
    • http://demenagementlandry.com/images/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-link-app_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-roblox-money_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/mcpe-hack-client_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-100-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/hacks-for-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-hack-unlimited-spins-and-coins-cheats_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000047eb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47EB 24712 bytes
SHA-256: fc25d023a03accd585225e8fd217f0ec7821f7e67c29a2f1e36f5ee0c7b2af7a
font_01_sfnt_off000080ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80AB 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off00008a4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A4C 18532 bytes
SHA-256: 552a781c635be2f1783b3430facdc17a6d9e208cae7d98c52d6673c33e385b16

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