Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5a47b9562c509d6…

MALICIOUS

PDF

45.7 KB Created: 2021-06-02 16:12:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a4daca3d21c32e85a5e8063cd87936b5 SHA-1: 83c9ea28e8f7a38289a34f959028ff2994de85ff SHA-256: e5a47b9562c509d6d5ac8a7754ae0dbc1539f4f605a9b82058e5b55b8d249a58
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links designed to lure users into clicking on them by promising game hacks and free currency. One of these links, 'https://netcdn.xyz/app/431946152/just-go-to-mobihack-net-roblox-hack-game-hack', is identified as a malicious redirector. The document's structure and embedded links suggest it is part of a phishing or scam campaign, likely leading to further malicious content or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/just-go-to-mobihack-net-roblox-hack-game-hack In PDF document text
    • https://ogm-goettingen.de/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/play-roblox-free-online_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/lucky-patcher-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/can-i-have-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/what-pubg-uc-buy_GM1330123889.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/114-4-hacks_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://ogm-goettingen.de/images/robux-prices_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://ogm-goettingen.de/images/free-robux-please_GM431946152.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_off00004e0f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E0F 28884 bytes
SHA-256: fadb823696152e1707bd9e037b1b7f99bf0f115573aa284a42d520b8e39dbf6b
font_01_sfnt_off00008de4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE4 19076 bytes
SHA-256: 02d19d12281c6ada615d983f923055c576c1692f45b8499c75541239dc4159ab

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